From using FastAPI and answering some of the issues the main problem is people do not understand that python async is cooperative multi tasking and not preempti

From using FastAPI and answering some of the issues the main problem is people do not understand that python async is cooperative multi tasking and not preemptive. There are trade offs for either but I think a lot of people come to python and don't understand event loops and how they work get bitten by it.