Monero and LN are part of good opsec.
You are free to not choose the best opsec you could have.
Discussion
Rule number 1. No one knows anything. It shouldn't matter what you use. Cash is best. Lightning is pretty good. Submarine swaps on liquid and lightning even better.
Monero is a useless shitcoin.
Why are liquid to lightning swaps better than pure lightning payments. Even with their confidential transaction model you still leave a on-chain trail for every purchase, right?