Ethereum is a host chain for scams but AB is not. In the past 3 years still alive and finished V1.0 &  V2.0 without ICO.

Dear users, you hate Eth but not hate all blockchain developers. 

Argot Me is the good one that does not scam your money.

The projects scam your money: 

they disappeared.

The projects do not scam your money:

delivery the promise.

Exchange, Defi, Game, all delivery. but never commit make you rich. It up to the market and liquidity.