LND team has more interest in adding TapASS shitcoins on LN than supporting alternate anonymity transport layers.

I agree, i2P would be a great fit for LN nodes since both require running an always online server. A big reason Tor has poor performance is that you don't have to run a "Tor node" to use/abuse Tor. You can infinitely abuse other people's nodes on Tor with zero "skin in the game".