If we go by the vibe of this thread, it's yet another reason to avoid social media. You wouldn't want to reward people like this.
As for the broader topic, this segues into the worryingly popular fallacy of excluded middle. Just because you're not against something, doesn't mean you're supporting it. Being neutral, ambivalent, or plain old just not giving a fuck about a whole class of issues, is a perfectly legitimate place to be in. In fact, that's everyone's default position for most things, because humans have limited mental capacity - we can't have calculated views on every single thing in the world all the time.