This is the growing pain of any “employer” and I suspect lots of startups and features coming to fill the void.
Start with a shared credit card. Then company credit cards. Then you layer in spend controls.
Now repeat but for “agents”.
Whether this is more near term inefficiency to drive output side actual efficiency remains to be seen. But great if you’re selling tokens!
The issue is not just bank or CC accounts, but your personal data accounts (Email, photos, SMS, calendar, documents, etc.) that give the necessary context to the agent to do useful work for you. That's where the problem lies.