I don't mean those kinds of regulation, some regulation are definitely needed for the better. However there are some regulation that are made for the sole purp

I don't mean those kinds of regulation, some regulation are definitely needed for the better. However there are some regulation that are made for the sole purpose of defending the existing players and keeping new players from coming into the market. Some licenses have requirements like that, such as requiring some documents or certification before operating, meanwhile the existing players may not have them.