https://metrics.torproject.org/bandwidth-flags.html corroborates what you say about utilitisation.
Exit nodes are legally difficult to host in many countries, which reduces diversity, which is a risk.
Onion services avoid the need the exit nodes, and thus the diversity risk.
> This is just another problem with hidden services. Opening circuits costs malicious clients far less cpu time than it costs the server.
I had a look for this but couldn't find it.
https://metrics.torproject.org/bandwidth-flags.html corroborates what you say about utilitisation.
Exit nodes are legally difficult to host in many countries, which reduces diversity, which is a risk.
Onion services avoid the need the exit nodes, and thus the diversity risk.
> This is just another problem with hidden services. Opening circuits costs malicious clients far less cpu time than it costs the server.
I had a look for this but couldn't find it.