> No, this is bad because it provides additional signal for fingerprinting.
Not really. The fonts selected by these font-family values should, at most, be dependent on the OS and language of the host system -- which are already easy to detect.
That is easily changed via settings and I hope that browser developers will "freeze" it in future so that it always reports Windows 10 (which was promised to be the final version of Windows).
Not really. The fonts selected by these font-family values should, at most, be dependent on the OS and language of the host system -- which are already easy to detect.