You have both good arguments, monero doesn't scale and it's a fact. Tho you don't have to care if you made a coinjoin utxo to open channels, or opening a Phoenix wallet and delete it after a few uses, like Odell advises. Because LN receiver side privacy just sucks for now. But once it will be fixed (silent routing, bolt12, etc ...), won't be much reasons to use Monero. Other thing is LN can scale but need many improvements before we can talk about mass adoption. DN markets don't want to hear about LN for now ...

Let's see how it goes