Can we start focusing our critiques of people on what actually needs to be criticised?

Context: i saw an anti-ice post here, and on 95% of the content of the post, its fully valid, and i very much agree with, my problem lies when op, while making a list of shit things ice has done, for example the illegal raids and murders, add (as a joke no doubt) small penis in their list of sins

Now, i know i dont need to explain to anyone here why body shaming is just generally shit behaviour, but way too often, i see people doing this, not only here but in day to day life, they criticise somebody, and in the process, shoot strays at unrelated people, because in their "im gonna say all the things i dislike about these people" they end up including things that are just not deserving of such attacks, be it "person did all these horrible things, and also has small penis" or "dude is a narcissist that cant deal with criticism on top of other asshole behaviour sprinkled thru out, also he's a furry and voice trains because he's insecure over his natural voice"

In essence, when criticising someone, ask yourself, if someone else were doing this, would i also criticise them for it?