I assume Mozilla makes a fair bit of money from the Pocket recommendations, and disabling it is one checkbox in the settings screen.
> an irrelevant point anyway since it's often synced with your Firefox account anyway
Only if you sign up for a Firefox account and enable sync!
> the point is they're collecting data on your personal preferences... the generated metadata representing a personal profile of you is.
I don't think this is true. They say:
> Recommendations from Pocket are displayed on your new tab, we collect information about how many times they appear and whether or not you interact with them. However, this information is not associated with any of the other technical and interaction information about you or your copy of Firefox.