are they really praying to the God of the Bible since so much of what they believe is wrong, wrong, wrong.
They think they are. The truth of that matter is really deeper than you or they or I know, only opinions can be gathered.
would they fall off the couch in shock if I asked the gentleman to pray.
Answered here by others, NOT LIKELY. Your request for a certain thing to be included will be taken into account, probably worded carefully, but still adequate to your request.
are they lurking on this board...
Many are here, most are not. Who knows with the "they" you are referring to?