Those who did, were the Pointed Hat witches, the ones you would see around the city. Those who went against the laws were the Brimmed Hat witches, forced to hide. And the ones who protect the Pact by enforcing the laws: The Knights Moralis (the fun police)
making everyone believe that magic is a born-given trait. In "the Day of the Pact" many spells and kinds of magic were forbidden. Among those, medicine magic was outlawed for being magic that altered the body.
But not everyone agreed with the terms of the Pact. +