I'll let you play with LN in LitecoiN - so you have time for self-education.
He will have to play with it on LTC testnet, the LTC miners are not going to allow segwit either.
It is less than 10% activated on their network.
Chinese dominate BTC & LTC, they are not going to agree for a competing service to steal their transactions fees.
Even these are more educated ...
Funny thing is, even core devs claim for SW is needed to 'better secure LN' - it's simply different than bitcoin.