Would Putin shoot down an airliner if he thought he could profit from it, financially or politically?
Hell, yes.
Will Barry and company kill us all when they figure the time is ripe?
Hell, yes.
Did Putin shoot down the plane.
Doubtful.
Maybe it was somebody from the religion of peace that blew it up to get Russia and NATO/US into a fur ball.
If by that you mean Chechens fighting for the Russians . . . in any case, looks like a bunch of Cossack hotheads did it.