I never considered Litecoin as one of top coins. Except of ethereum I believe in Waves, Stellar and some other, but not Litecoin. So, I would never doubt in which one coin should I invest. Definitely ethereum.
Litecoin is also a big 10 in
https://coinmarketcap.com /
https://www.coingecko.com and the movement is very good, it never hurts if you want to invest in Litecoin.
but if asked to choose between litecoin and ethereum. I clearly agree with you that we cannot deny that ethereum is still the best choice.