

Totally not bitching about hivemind this or that but…
Yes you are:-). And it’s valid, and worse than that, most of Lemmy is an outright echo chamber, where mods often remove viewpoints that contrast with their own. Some corners of Lemmy even seem like outright founts of disinformation.
The left eats its own. Moral purity beatings will continue until morale improves. Meh, it’s social media, which devolves into a race to the lowest common denominator. It is far easier to give easy answers claiming to already be correct than to e.g. admit that we do not know everything (or even something) - far easier to chime in and speak rather than listen first before forming a firm opinion, to many sources and many sides. All I can add here is that (1) beware of unearned knowledge, and (2) those who seek the Truth, REALLY, will manage to find it. Almost certainly not on Lemmy though, for these aforementioned reasons 🤪 - this is “social media”, a place for people to vomit up their emotions among like-minded individuals in order to circle-jerk one another off, but people may want to get their actual “news” elsewhere (sadly, even Reddit does a far better job of this, bc that is where people post primary content and if you want to know something, then you must go to where the content is - the network effect is strong, but real).
It’s not not hard at all on PieFed: click the username, click More and it says Block that user as the second option down.
Blocking an entire instance takes more clicking, but is also fairly rare so that makes sense. The real trick there is that you need to get to the instance page, and that is easiest by picking a user from it and clicking their instance name - which is in smaller font size, but again this is fairly rare so that makes sense to me. Once you get to e.g. https://piefed.social/instance/lemmy.ml, then you simply click “Block” to never see posts from users on that instance again! The trick of course being that you have to click a user then click an instance to be able to see that button in the first place.
Although that “Block” button was called something different a month ago, when it said “block all users from [instancename]”, and perhaps a few months from now it will again look different? That could legitimately be confusing for people.
On the other hand, Lemmy refuses to provide this functionality at all, no matter how many buttons you click, so having to go through 2 pages (user then instance) is not so difficult compared with the impossibility of doing that on Lemmy!:-P