Google is many orders of magnitudes larger than Zoom. Zoom has one product, Google has thousands of products, many more complex than Zoom.

Yeah, 28x the engineers for research at Google makes sense -- I'd say the work Google is doing is at least 28x more expansive, complex, etc. 700 engineers is quite a lot for a company of this size!

Google has maybe 5 products that matter.

Violating humanity's privacy?