It is obvious that folk here are divided into two camps, neither of which is likely to change sides.
Personally I am not in any of the organisations mentioned, but did manage to get T.Eng (now I.Eng) added to my name many (many) years ago. The society I was once a member of is now long gone, but although I never got anything out of it myself, it was governed by (what is now called) the Engineering Council.
