Main advantage of litecoin mus be lower fees compare to Bitcoin. Exchanges are getting crazy when you need withdraw your btc. If you have lower amounts of BTC then its easy to exchange it to LTC and send it to your private wallet for a few cents. I think team has already succeed to keep people interest on LTC by their great idea of being lite version of bitcoin

great point,...and LTC has good liquidity,...
here is the analize for big brother,...LTc to outperform him by great margin:
https://www.tradingview.com/x/oBG08HLO