The only question is why would anyone accept non fungible money?

If one decides to not use Monero there is a better UX to have with LTC and BCH than BTC.

BTC is good as a store of value, but out of the 4 it is the worst medium of exchange.

Not private

Not fungible

No 0-confirmations

Highest fees

Exception if someone already runs a self-custodial Lightning node. But that's rare with newcomers or when you tip a waiter.