Yes, i think many altcoins are for no use it will be vanished after some years of time as they are here just to take people money and keep their coins in shit exchange and does not have any work. And they will be no use after some years.
Cryptocurrency market is volatile and only that coins can survive who has some potential in future to change the world in some area. As community will support such programs and such coins and automatically investment will come in big coins and there will not be any value of shit coins.