BTC and LTC are STILL babies in the grand scheme of things, sure they're the big hitters in the crypto scene but in the real world they're still babies learning to walk and talk
We're looking at least another decade (10 years if you don't know what decade means) before stuff really begins to get interesting and we finally start seeing who the real winners are.
The main issue is the amount of alt coins that get released, majority of them bringing nothing new to the table but people still invest because it's all like a big game of monopoly at the moment and that is really hurting overall progress as too many are fixated by greed on making money in the short term rather than pushing a coins long term potential