> It's unfortunate that the company best poised to provide the world complete end-to-end privacy and security, is also the one least likely to democratize it.

Titan was open-sourced at the end of last year. [0]

> Any idea where google manufactures the chips? Do they do it themselves in their own fabs?

Whilst Google avoided confirming anything, I believe the actual fabrication was probably done through Cypress Semiconductor, before Skywater Technology Foundry spun out of them. The foundry and Google have a long and ongoing relationship.

[0] https://security.googleblog.com/2019/11/opentitan-open-sourc...