The fact that a program is not up there does not imply that they are bad for any reason.
The fact that a program IS up there implies that they have passed certain tests and are approved. It also means that they are available here to talk to us and issues are resolved more easily.
Also, I don’t think anyone is rounding up programs to put there, they have to apply.
Actually, some of the ones you mentioned are going to join after they resolve some more things, as far as I know.
You will find private webmaster opinion about most programs vary a lot.
So, just because a program is not up there doesn’t necessarily mean you should avoid it.
If unsure about a program you can always use the search function and see what everyone has to say about them.