Litecoin is already well adopted and often used instead of bitcoin for the transfer of money due to its speed, it is also fairly stable relative to some cryptos. Litecoin has technologies such as Lightning that Bitcoin cash does and will not have. IMO Bitcoin cash has got some catching up to do if it wants to challenge litecoin.
It really isn't. See the following:
https://bitinfocharts.com/comparison/litecoin-transactions.htmlIt's only managing about 19,000 transactions in a 24 hour period. Coins like Ethereum have surpassed bitcoin with over 312,000 transactions, and even ethereum classic managed about 36,000 transactions.