only an opinion, but . . .
Well, disregarding fact the Birdview mount 'n 6" pole are tank-like stable ...
... (stiff as a phone pole!)
... and the dish bolts right on ...
... and certainly for C-band, the BV 8-mag mod is sufficient...
... and the 24 magnet mod isn't -too- hard...
The only thing I would question is the dish weight of the solid Birdview.
It's way heaver than a similar 8' spun aluminum perforated dish I have on
my AJAK... (maybe twice?)
... and which is similar to the perforated Birdview.
Linuxman, and 1captain (as well as others) have both solid and perforated Birdviews,
and the AJAK motors.
See what they think about dish weight.
That's the only technical reason I can think of.
Of course, the BV community may tar 'n feather you for high crimes 'n heresy, but that's
your problem -