I know that the eXch representative has said no to including the TRC-20 version of USDT on the platform, but I am still hoping that will happen. Out of all the USDT variants, I use that one the most. DAI is, obviously, the best if you have to engage with a stablecoin, but I haven't met many people that want it as much as they want USDT as long as they have a choice.