Cheers for the feedback :)
I used a free privacy policy generator, which in retrospect was a mistake as it is much broader than my intentions.
If anyone is worried, no data will leave the identity provider service.
Piggybacking off this comment to say, I made it 95% of the way to downloading the calendar before the "Sign in" button made me close the tab. There is no valid reason why I need to authenticate and provide you my account information to download a generic PDF, the juice ain't worth the squeeze imo.