Should marketing be ethical?

More often than a project comes which might not be greatest ideas and are often borderline illegal.

If the client offers good money, will you risk it?

Contractual obligations will take care of legal troubles. But what to do with guilt knowing it might be scam.

It is complicated. Losing good money on emotional grounds.

I have found letting go of such projects is good for peace of mind as that is also important part of running a successful.