Everything will remain the same just like when USDT was replacing ripple in the third position of CMC. More than 6 billion USDT already issued on ethereum chain

https://etherscan.io/token/0xdac17f958d2ee523a2206206994597c13d831ec7

Mostly people prefer to use ERC20 USDT ratherthan omniUSDT or USDTtron

I personally always use ERC20 USDT