> but very hard to make a good torrent client

> So, building a "perfect" torrent client from the ground up is a daunting task.

Don’t you think you’re exaggerating a bit? It’s not daunting by any stretch. The feature set you described is fairly straightforward and something even a beginner developer could tackle without too much hassle.

I’m honestly kind of tired of seeing people act like doing anything these days is some impossible feat.