Litecoin is still alive after 3years maybe it will die soon as the founder said he sold all of his LTC,but not selling mine i still believe to the LTC's future.
It's alive but it is still as useless as it ever was, the only thing it offers better than bitcoin is faster confirmations and ethereum already does that better. From a technical perspective OP is right, just the market has chosen to keep this coin going as it has a lot of other older altcoins.