I can give you several examples of healthy regulations of the free market. Like regulations on content of food and every day items, so consumers don't get harmed, or product stop working before life expectancy is reached. Regulations on finance, making market manipulations illegal. Regulations on pollution, so producers don't harm local or global environment. Regulations on selling of humans, to prevent slavery. You can erase all of those regulations, and increase the opportunities to make money, but on the expense of other people.

I am pretty shore you will find examples of unproductive and corrupt regulations, but few free market ideologist will argue the difference, but rather argue that the invisible hand of the market, will solve all this by it self. Even when it's obvious that no market ever corrected any of the concerns made illegal by the above mentioned regulations by it self. The policing of regulations is also an ongoing battle to prevent the selling of harmful products for a quick buck.