There is just so much money invested in scrypt asics, and most of them haven't seen the light of day
And some of them probably wont ever would be my guess.
that I think it will have another boom cycle (and an accompanying boom in the number of tx/day). But who knows...
Hey its always possible. But even scrypt doesn't just mean LTC any more. It is still a big part of the scrypt space, but much less than it used to be.