Cigarette ads have a ton of restrictions despite that first amendment existing

Funnily enough cigarette ads were banned in 1970 before the Supreme Court regime that says you can't ban ads for a given legal product. If someone were to take the case to the Supreme Court, they could probably get cigarette ads un-banned.

With a sufficient endowment to the Trump family, one can get anything they want from this supreme court

Certain porn is illegal despite the first amendment existing - the court merely invented a "nuh uh" exception, called "obscenity".

Current precedent is that states can ban almost anything they want, but if something is legal, you cant ban ads for it.

Is it legal to advertise cigarettes in the US?

Point is the supreme court can just "nuh uh" anything they want to