I agree with Litecoin's assessment although it is less relevant now. Why would is use Litecoin when I can use Lightning Network on Bitcoin? Much faster, cheaper and safer.
I still think an on-chain transaction has qualities which are lacking by current layer-2 solutions. For example, you don't need to be online to receive payments, and you also don't have to monitor your channels constantly for attacks.
A working 100% decentralized sidechain instead could be more the kind of app which could get back market share fore the "payment" use case from altcoins for BTC.
Do you maybe know where this community is the most active? I don't see much of them on this forum here?
The Monero subreddit is quite active:
https://www.reddit.com/r/Monero/There are also some other forums/communities, for example:
-
https://forum.monero.space/ (not too active but a lot more than here at Bitcointalk I think)
-
https://discord.gg/SyGUMWBqvF - Discord (I'm not using it but Discord communities tend to be large in the altcoin space)
-
https://www.getmonero.org/community/hangouts/ - Site with some more options