And what, you’re going to find them a new CTO? What kind of magical world do you live in where problems are solved by leaders resigning, instead of stepping up and taking accountability?
I'm looking at all of the Arc Max features which probably need to be architected correctly to be secure/privacy-preserving.
They could take a lot of inspiration from iCloud Private Relay and iOS security architectures in addition to really understanding the Chrome security model.
They are owning up to their mistakes and making sure such things don't happen again (and increasing the amount from 2K :-)) seems like the right approach to me