Havent fully swallowed this pill but its feeling inevitable.
YMMV, but ime a lot of people have this bogeyman caricature of who the feds really are. The reality is that these are government agencies that pay significantly below market rate for really intense, highly demanding work shrouded with multiple layers of government grade red tape.
On the other hand, it seems like the Tor users who get caught make clear, glaring mistakes in their opsec. And I always remember how long it took to catch the Unabomber, and how they apparently only managed to catch him because of his brother.