I think that by putting out so much product in such a short time, they'll drive away "collect them all" fans.
As an X-Men fan, you'll want to get the team, but at these prices, you'll have to make hard choices, too hard for some of us. And then you just decide not to start collecting that line.
I love The Avengers, I have just Cap and Iron Man, and it stings that the team will elude me.
If they released their figures at a slower pace, I think fans would feel more comfortable, save some pennies, and then try to get the series they love completely. In the end, HT would be the winner.
I remember starting to collect new Star Wars (1996-now). Then they oversaturated the market, and I stopped and sold what I already had.
"Everything has an end.
Except sausages, which have two..."