Of course, they can do whatever they want. What a waste of humanity though.

Just because an absolute free market is good in itself doesn't mean that everything people choose to do within that market is good.

If you want to decide what is good and bad on the market that's no longer free market. Vote with your wallet.

that's not true you can simply also at least try to have principles and call out a scam if you see a scam

Ever been to The Tenderloin? Plenty of market enjoyooors just consuming what they love. No externalities at all, no sirree

And what's wrong with that? They're adults using their freedom of choice to forge their own fate. If someone is doing drugs that's his decision.

Tell that to the productive business owners, foot commuters, and property owners who set up roots in that area under the assumption that law would be enforced, allowing them the space to contribute to economic growth and living a life. Now with their property, investments, livelihoods, and safety at risk, they cede the area to a growing number of people who are clearly not in control of themselves anymore. You need to learn what an externality is.