It’s easier for Biden to deschedule, than it is to reschedule. They’re two different procedures.
He can deschedule right now. Instead he wants to reschedule, which doesn’t really do much and still keeps it federally illegal, along with defacto illegal in lots of states. And is much harder to accomplish.
I’m sorry I can’t explain it to you in a way you can understand. But since your own source can’t either, I won’t take it personally