it does seem unlikely since that interview on Seths pod indicated they would have certification problems if they accept Monero
David Peterson (@davidgpeterson on X), who is the General Manager of Proton VPN, has stated they will add Monero support to their Summer roadmap if there is an online petition with 1000 people acknowledging they'd switch to Proton VPN (Or a Proton product in general)
https://xcancel.com/davidgpeterson/status/1939019623237570951
Discussion
I remember those statements too.
Things might have changed. Time will tell.