Mystery solved, everyone!
Emails between the Hugo Awards admin team last year were leaked and turns out the American & Canadian members willingly went through all the finalists and removed those of us who they thought might offend China.
The leaked emails
The full exposé
Edit: We can't yet say for sure if the team did this due to government pressure or not. If you read the exposé there's a piece of evidence that suggests the local Sichuan government had a hand, but there's no confirmation. The point is that the Western admins chose to actively comply instead of uphold the integrity of the awards.












