I am not sure if breadcrumbs means low compensation, but the comp at Google (especially for people succeeding) is high and low risk.
If you just want to write software (as opposed to run a business), being an engineer at Google is really nice. You get a ton of resources, work on projects that have millions of users, etc. Don't get me wrong, entrepreneurs are awesome. But it's a much, much broader skill set than what is required to be a successful software engineer.
As for academia, my personal problem with it is that it's too focused on elegant/complicated/clever solutions to problems that don't really exist. And the compensation is terrible.
If you are so smart why are twiddling around bits in gmail for breadcrumbs when you could have started your own company or gotten into academia?