Earlier quoted context omitted.
Sure they can. Accepting Bitcoin for payments is illegal where I live. It is enforced by fines and jail time, just like all other laws.
Which country? Nobody can _stop_ you from accepting cryptocurrency.
I don't understand the point of your vehement sophistry. Everyone understands how societies work. There are laws. People get punished after the fact for transgressing them. Cryptocurrency is not somehow magically exempt from that reality.