I dont think that's true.

Users are accustomed to depositing funds into custodial DNM wallets to make transactions. sometimes they do it straight from exchanges 😫

if instead they could spin up a LN node

that they ostensibly control

immediately pay an invoice

and destroy the node

(or not, leave whatever is left in the channel for their next buy)

i can see it being a useful payment mechanism with fairly good UX and privacy