All vendors have the same motivation. Dollars. They make what sells.
No need to look furhter then that.

Is it the market that drives the vendors?
Or are the vendors driving the market?

None of the aove.

The "Dollars" make the market grow the way it does.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!