Rip wrote in news:AIvUh.10078$YL5.3718
@newssvr29.news.prodigy.net:

Judah, one of his problems is that he fixates on insufficient
information, and then gets frustrated when his assumptions are
incorrect.

He doesn't get frustrated. He simply denies the possibility that he is wrong
by changing the scope of the original question so he can claim he was right
all along. His ego simply won't allow him to be wrong.

It's like a disease.

Obviously, MX can only concieve of downwash generated by the
wings as they create lift. Apparently, he can't concieve of the UPWASH
created by the tail surfaces pushing DOWN, nor the potential for
interaction between the two, or other turbulence that may be created in
the air mass merely because a large object is plowing through it at a
high rate of speed.

I didn't think of this myself, but it certainly makes sense to me. I suspect
it will make sense to MX too, and then he will try to convince us all that
this doesn't qualify as Wake Turbulence or that he was only referring to
downwash from the wings to begin with or some other change in the scope of
his comments to make him right (at least in his own mind).