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Seems to be the case if you have a bit more locked down browser and don't allow all willy-nilly fingerprinting to happen.

Well, my browser is not that locked down. I have enabled cookies and JavaScript, and I think I am only using the level 1 blocklist (as explained here: https://support.mozilla.org/en-US/kb/content-blocking).

Edit: For the reference, I believe that the default should be at least as locked down as my thing (all third-party cookies blocked and so on).