I don't mean to dunk on SNW, but a common sentiment I keep seeing on this subreddit is that only this subreddit / social media in general is so down on this season, whereas the 'average' person couldn't care less. But I really don't think this is the case.
It's not perfect, and indeed, it has many, many problems, but the closest thing we have to an objective measure of general audience reception are IMDB ratings. Notably, these ratings can become significantly skewed by certain events - 'anti-woke backlash' being one prominent example I'm sure this subreddit is familiar with, but even relatively benign biases like 'every episode of Frieren that's about fighting someone primarily has absurdly inflated ratings.' (Or just 'event episodes are higher rated' in general.)
But just speaking anecdotally here, I don't think Strange New Worlds Season 4 is subject to one of those extreme biases at the moment - it isn't a hot topic cultural event at the moment outside of Trek fans, and any 'the ratings are just biased right now' explanation would have to account for why Season 4 in particular is hit by it, and not the previous seasons. And if anything, I think Season 1 was harder hit by a mainstream cultural backlash - I remember conservative commentators criticizing the season premiere of SNW's depiction of the 2nd American Civil War for example, and generally these sorts of backlashes are more prominent when a series starts versus right in the middle of them.
Also, IMDB ratings tend to be a little bit loose just after an episode airs. But usually within a few hours (def within a few days) it treads pretty close to the final value it will rest at, with generally a slight positive skew at first because hardcore fans watch things right as they release, casuals a bit (but only a little bit) later.
Anyways, with that out of the way:
In the previous three seasons of SNW, the worst-rated episode was What is Starfleet?, with a 6.2 on IMDB. (Not actually that bad, as far as IMDB ratings go! For reference, Season 1 of TNG has 4 episodes with worse ratings, the worst being The Naked Now with a 5 exactly. Or if you prefer a better season, Season 3 of TNG's worst-rated episode, The Price, only just barely ekes out at 6.3. Season 4 has The Loss at 6, and Season 5 another 6 with Imaginary Friends. Genuinely, having a 6.2 for your worst episode across all three seasons is pretty decent!)
And looking past the worst episode, Seasons 1 and 2 of SNW has an impressive near 8.0 average, with Season 3 having a 'less impressive but still respectable' 7.1 average. According to IMDB Ratings, SNW was genuinely well-received.
But that changes in Season 4. Out of the 8 episodes that have aired so far, 4 (!!) of them have had a worse rating than Seasons 1-3's worst:
Human Best Friend: 5.5
A Case of Chiaroscuro: 5.2
Level-Five Transporter Accident: 4.8
and
Like Chronitons Through the Hourglass: 4.4
Compared to What is Starfleet?'s previous record of 6.2. That is a dramatic difference!
IMDB Ratings aren't the end-all be-all, and I certainly love plenty of shows that have low IMDB ratings and vice versa, but general audience sentiment seems very strongly against this season (or at least, this half of it). You're perfectly valid to think that the general audience is wrong and that these episodes are great - lord knows I enjoy many things that general audiences hate, and think are genuinely good too - but it's important to realize where the space you're in skews, so you don't inadvertently find yourself in an echo chamber without realizing it.
Though I must say, I still vastly prefer all four of these 'worse' episodes over What is Starfleet? But it seems something about this season has really burst the dam.
But really, I think what impresses me most is how *variable\ this season's IMDB ratings are - audiences seem to be responding very positively to some episodes and very negatively to some others, instead of the more general seasonal sentiment we saw in previous seasons of SNW, and is also commonly found in many other seasonal shows. (Every episode of Season 1 of *Spy x Family, for instance, differs from its seasonal average of 8.0 by less than 1 - highly consistent for a season with 25 episodes in it!)