If a company suddenly starts doing something that costs society more in externalities, does it suddenly start paying more taxes to deal with the enforcement required to get them to stop?
After all, the whole point of regulation is to get the regulated to stop hurting society and costing it money.
An alternative might be, no regulation, but businesses are responsible for the costs of business to society (pollution, poor mental health, potential that it's a scam). After all, businesses benefit from these things, so they should gladly cover their cost to society.
Personally, I prefer less pollution.