It stores no personal data, requires no cookies, and ships nothing to Google. You host it yourself.
2) who gives a shit, genuinely who cares about cookies?
3) so it's privacy oriented in that the dev doesn't send their data to google, but users send their data to someone anyways? And why would sending data to a self hosting rando be safer than sending it to google from a user and security perspective?
Did you read the recent article about how reCAPTCHA is used for tracking you across the internet? I have no reason to believe GA isn’t similar. And just think about how much info they have on you from reading all of your emails.