People are just more likely to comment on what is current, because there is a combination of immediate relevance and the assumption that the current thing is an indicator of how something will be moving forward. The complaints about Discovery were a lot more frequent and angry prior to SNW taking off as having an alternate that someone likes makes it easier to ignore the stuff they don’t. Stuff that came out 10 years ago can be easily ignored, and to be honest most people got their frustration out already.

I watched the first couple seasons of Discovery and blame the writing for stopping. The actors did a fine job with what they had, the special effects were great, but boy howdy I did not care about anything plot wise after a while because everything was universe ending stakes and apparently insubordinate leads don’t need to succeed to justify being insubordinate. Or learning anything from failure, that is off the table!

The best characters were all the side characters, who acted like normal people that learn things and have rational reasons when they don’t listen to authority when authority is wrong. Again, I blame this entirely on the writing.