To the parent, the credit card system will be parrallel to Suica/passmo, not a replacement. People would freak out with a system that isn't prepaid (think school kids), doesn't fully work offline and is twice as slow as the current one.
The problem isn’t technical, it’s social. I don’t want my bank, and some “global payment network” that can easily lobby its way out of real data oversight, to know my transit patterns and habits.
To the parent, the credit card system will be parrallel to Suica/passmo, not a replacement. People would freak out with a system that isn't prepaid (think school kids), doesn't fully work offline and is twice as slow as the current one.