
Cheapskates
This way, they hope to create the illusion they do something about security without spending actual money on employing some teams or companies to give projects the shakedown they actually need.
There are just a few tiny but rapidly reproducing flies in that ointment: during a ransomware case I had to review last year I discovered that criminal gangs offer a LOT of money for inside and breach information (I should have guessed this but I never had cause to look into this before). Translated: someone who finds a decent crack in key code may not be selling it to Google for what is a rather measly payoff in the first place but may venture onto the criminal path instead. This is only going to get worse as it will take time to recover the currently crumbling economies worldwide.
If Google would have organised a pool with other organisations that benefit from FOSS it would have at least created a better incentive.