Sorry, but then by that argument cryptography itself is bad because "pedos use it"? Criminals will always use privacy-preserving technology/techniques/strategies. Should we renounce our right to have secure communication, or a decentralized currency because of that? Hasn't this argument been done to death already?
The underlying technology of a thing doesn’t have much bearing on the properties of the thing as far as practical usage goes.
Excuse me, what? Of course it does matter if the backup for all your life's photos is in an hard disk in your living room, or it's on Google's server. Of course it matters if the platform we're talking on is Lemmy, and not Reddit. It does make a difference if the car you're driving is gas or electric, where it was made, if it shows you ads or not. What are you going on about? It makes all the difference in the world, but that's on "the backend" and no one remembers that it does matter
I'll bite. How? It's open source software championed by a Finnish academic professor.