It's more honest to say "intended to be used for". The LN has been promised as the solution to Bitcoin's scaling woes for years, but somehow never seems to catch on.
The Lightning Network actually has seen parabolic growth since it started in Q1 2018 -- with roughly 40,000 payment channels opened and ~1000 BTC total capacity.
https://p2sh.info/dashboard/db/lightning-network?orgId=1&fro...