They don't believe it's a scam, otherwise they wouldn't hate it. They hate it because it's a tool for 'common' people to get wealthy, outside of their little rich world.

A common people became millionaire when they bought BTC back in 2011-12. A common people became millionaire who believe in Binance coin and bought it back in 2017. Now, common people especially gamers will become millionaire in the next 2-3 years after they started playing AXIE or $ANRX after they monetize their game play.