The only thing I personally think is "bad" (notice quotes, it's not bad... but leaves me questioning its justification) is when someone's view is against a lot of people's (especially models) that it goes "Post unicorn/my little pony to derail thread".
If you don't like/don't agree - just don't post? If someone is just left rambling to themselves, they stop posting.
By intentionally derailing (to try and annoy usually) the person by "showing how little we care" - you're not only doing precisely the opposite, you are also, effectively, bullying/stifling discussion because
you don't like what you read.
If what they're doing is against the rules, Amber will lock it. If she thinks they've stepped over the line, she'll ban them. If she's done neither, then why are we deciding who should be bullied into silence/exiting just because we don't agree with what they're saying. In the real world we all care about "Freedom of expression/speech" - but online, only if it doesn't annoy us.
First time I saw it I chuckled; it was amusing. The second time I thought "why...", and since then I think people need to just move on from the topic and leave it alone - you don't have to have the last say if you disagree with someone and we don't all have to agree.
I know most people need "teh w1nz" on the internet, but... you really don't