-snip-
Deal, let's see then.
I believe the reason is that the wallet itself, we all know every ERC-20 address is supported on different chains. Then, is really makes them easy to set up just a single wallet but support receive from the different chains they're accepted.
Hello @ryzaadit here we Go!!! the
monthly bonus out now 

Oh yeah you are right it makes more sense because one address can be controlled to a different chain while the Tron network is not included
At first I thought Stake had doubts about the stability of USDT on the tron network.