I'm not saying the criticism of Hamas and/or Israel is invalid, I just found it worth pointing out that there are conflicts that teens somehow can make up their mind on (that's TikTok's claim, not mine) and strong enough that they take to the streets for that, while they likely haven't heard of other somewhat comparable conflicts (support by "their government", civilians dying, half the world away, ...) at all.
Maybe it's just the general media circus (Yemen _isn't_ very present in the media, after all), but "algorithm" or not, I'm considering TikTok part of that media circus.
As such, "the kids are just voicing their opinion" seems a rather shallow excuse to me: They pick up what gets amplified. Having no idea about Yemen but strong opinions on "who's the baddie" in Gaza (since folks like to talk colonialism: it's clearly the UK) doesn't sound like an independently formed opinion at all, and so I'm not willing to let TikTok (et al) off the hook.