In addition to the halving event litecoin is more useful as a currency because it has a more practical transaction speed. Dark markets prefer litecoin for this very purpose, not just monero
Yes, much less fee on litecoin. Did you know that there's rumor that Litecoin will implement the mimblewimble protocol?
I think one of the reason why litecoin climb so fast in last month. The volume of litecoin is also increasing and the price action. LTC is rank 5 now on coinmarketcap.