This is the real answer, most people don’t care but they like banding together and having someone else be the “other group”
You’ll be fine, both in Japan and back home I’ve lent people my card and vice versa, the only time I ever had someone look at the name was buying something from Bic Camera. It was over 5k yen so I wanted to get the tax discount, and they looked at my passport and compared the name on my debit card.
Yeah I figured that might be the case. It was in the works for a while available on their community servers, but the server beta just came out in October, I’m going try it out myself this weekend too