Magnetico is pioneering work.
Very simple, very effective. However, with a single 1 Gbps VPS you can take it down. Simply spam at full speed and switch VPN reguarly. Same for Bitmagnet.
Usenet, email and now Mastodon show that you need a trust framework. Otherwise you open to abuse and spam. With Tribler we're hoping that after 3 generations of failures/learnings we now have operational decentralised trust. See our public thinking for 11 years on Github [1].