That's it you need schooling end of story, go here to this Electronic lecture pay for the 8.1MB download, and learn something about BJT complementary pairs vs Mosfet complementary pairs and how BJT's (bi-polar's) can drive into lower impedances with more current output than Mosfets can.
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Cheers George
There is something odd about 'end of story'. This story 'ended' so many times George it should be funny. Yet there is a sort of sadness about it.
My suggestion to the moderators of this forum is to encourage users not to invoke 'ad hominem'. Ie play the ball, not the man.