Ebay will be called an auction place and have to abide by rules in every town.
Paypal will be called a bank and have to obey laws.
Every tech company figures they're semi avoiding laws at least cuz it is new. The motto in tech ask for forgiveness, not ask for permission. If you limit yourself, you might not ever have a good idea to make billions. I've had many ideas that turned into multimillion or multibillion dollar companies, but I didn't do them myself because I didn't have a crew to do them with. It doesn't bother me, but just reassuring that my ideas are good.