> The bots will eventually be indistinguishable from humans
Not until they get issued government IDs they won't!
Extrapolating from current trends, some form of online ID attestation (likely based on government-issued ID[1]) will become normal in the next decade, and naturally, this will be included in the anti-bot arsenal. It will be up to the site operator to trust identities signed by the Russian government.
1. Despite what Sam Altman's eyeball company will try to sell you, government registers will always be the anchor of trust for proof-of-identity, they've been doing it for centuries and have become good at it and have earned the goodwill.