TLAs, LEOs and criminals are both Tor end users and have an interest in attacking Tor users.
Everybody has the resources to run Tor relays and even exits, though the latter can become a massive legal nuisance. Servers are cheap. Read the Tor mailing list archives.
As to ‘mostly used by hackers and pedos’, please provide the evidence. Factual one, not non-sequiturs based on faulty assumptions.