yes but what if that doesn't happen, I think people still choose to use mainstream payments and haven't been so interested in paying for crypto. the main reason is that many people don't know crypto, they only know crypto is bitcoin. but the rest are many lay people who don't understand at all. so crypto payments seem to still not be so popular nowadays.
agree with you that some people still using mainstream payment, but in short time it will be changed by new payment system, by popularity of some project like this, it will be changed.
it depending how menapay will drive their community and increase their popularity. if they give great offer to newcomer, they will win.