"no one can take away your profile"
But it can easily be shadowbanned, blacklisted, reduced to -10 rep, and hidden from almost every view. Just don't say/do the wrong thing or piss off the wrong person/group.

"no one can take away your coins"
Are there platforms where your funds can be stolen by other users, or platform owners? I'm just curious what we're drawing a distinction to. Who are we contrasting ourselves against when we say we don't take people's coins?