The question you ask is valid. If I were to guess (I didn't downvote you), it's because of your second sentence. It hints that you're thinking about it in a zer

The question you ask is valid. If I were to guess (I didn't downvote you), it's because of your second sentence. It hints that you're thinking about it in a zero-sum kind of way. Google benefits from a healthy and secure web. This means they are going to engage in projects that aren't directly tied to what they do, like letsencrypt, Project Zero and TAG.