Fortunately there are no Bitcoiner group rules, and no authority to enforce them.
People can use whatever wallet they like, and nobody can say they are wrong.
Discussion
If anyone uses WoS more than once and SENDS sats, I consider that a huge win. Don’t care about custody, no custody… it’s a foot in the door and it’s only the first step. It’s not like they’re going to stop there and only use the one thing…