Good news! It looks like the noise you have all made has convinced Philips Hue to reconsider. They will not force data sharing on user accounts, according to their response in this The Verge article. We do await the exact changes to their policy.

https://www.theverge.com/2023/9/28/23892761/philips-hue-app-account-changes

Philips Hue will soon require an account to use its app — here’s what that means

Philips Hue is making a user account a requirement to use the app but says it won’t have access to how you use its products without additional consent.

The Verge

@homeassistant so, don't buy Hue. Seems pretty simple unless you're already invested in their products but fortunately that is one I have avoided.

Need more open product companies. Shelly seems to be one of the few bucking that trend. I'd like to see HA have a list of vendor ratings based on their openness and cooperation.