If you are a platform owner, traditional CAPTCHAs (Recaptcha v2) are useless against these bots (they use solving services for $1 per 1000 solves). You need layered defense.

Automating surveys violates the Terms of Service (ToS) of every legitimate survey platform (including Toluna, YouGov, and PrizeRebel). In many jurisdictions, using a bot to generate fake leads violates the in the US or similar laws in the EU. While prosecutors rarely go after individual users, the survey provider can blacklist your name, address, and IP for life.