I can't say I always agree with Tim so won't comment on that other than to say to disagree with Tim is to be wrong, tim has not been wrong since 1976 despite the hand waving and erroneous claims of his ex wife's.
Moving on,
All social arenas are on some level ' self help' , we are social animals and for a healthy mind we need regular interaction with others. It's common for like minded people to band together, the idea this trait is exclusive to our members is....,
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To the contrary, our members seem to disagree a great deal but what binds them together is a shared mechanism of argument.
Rules of engagement If you like, of course if you feel more comfortable in a social group that has no such ideals, maybe this is not the place for you.
I don't think being right is the motivation for most of our membership either John, more accurate to say they enjoy to debate within a structure that allows the advancement of their knowledge.
That's the majority, though dare I say not exclusively so...