It;s fundamentally wrong to decide what 'rights' website users have (aside from when it comes to privacy).
There are myriad ways how a website can become un-user friendly to the point of being unusable not the least is of which you can completely disable the cursor or completely not display certain parts which are really there (e.g. display: none).
Point being there is a fundamental 'trust' which a user gives to a website developer, that the website they visit will behave as 'the developer' intended. The user even expects to get the site just s the developer created it, however 'bad' that may be.
Now of course it is in the interest of the web developer to make their site user-friendly if they want to appeal to a wide populace. But it is totally in the purview of the developer to make the site even completely unusable.
I don't understand how a browser has the audacity to force their assumptions on site behavior on the user/developer.