TTP: Using the X on profiles is a worthless exercise. It really is for your benefit only. If you happen to look at a profile twice and see that you already made a judgement on that profile, you don't have to re-read lengthy profiles, like ours. The instructions for the Star ratings says that "Your indications will SOON be available for search and whosonline and will be visible in most places." In SLS development speak that probably means 5 years.
For weeding out smokers (no pun intended) I believe there is a search question that will do that. But you have to click the Hide button AND specify No.