This means that anti-tracking measures are working. This is good news.
The amount of friction this inflicts on the site and users makes this strategy non-viable for site operators. If any significant fraction of users start using browsers with similar capabilities, sites will be forced to change their practices, otherwise they will lose too many users.
I think the situation parallels the introduction of UAC in Windows. For the first year or so after its introduction, UAC triggered a huge number of annoying confirmation pop ups. Now they are much more rare, usually only when an app really needs to manipulate a system level thing.