The Python Software Foundation ordinarily raises funds via PyCon sponsorship, but PyCon was online last year and this year and who knows about next year, so in-

The Python Software Foundation ordinarily raises funds via PyCon sponsorship, but PyCon was online last year and this year and who knows about next year, so in-person booths are much less valuable. Therefore, the PSF has been trying to switch to direct sponsorship. Google has been sponsoring PyCon at a high level for a long time. Also, Google uses Python heavily and employs at least one Python core dev off the top of my head (almost certainly quite a few more), so there are engineers there with a sense of the PSF's finances and enough seniority to influence folks who decide on donations. That's the most obvious angle to explain this. It's a strategic investment - Google cares about Python and they know the PSF needs money.