Imagine if you entered a party that had a big sign that says you consent to be groped by entering the venue.
"But we notified you!"
Consent does not work that way.
It keeps being pointed out that this is a nonprofit run by volunteers - this simply underscores your utter lack of a legitimate business use case for spying on your users.
The only reason people insist on opt-out (ie nonconsensual) telemetry is because they know they don't actually have consent and their ingest data would drop like a rock if they had to, you know, check with their users for consent before uploading their usage. It's the old "she never said stop!" dodge.
Consent matters.