Otherwise known as "broken".

It shouldn't, since the implementation breaks text selection and actual scrolling for desktop users.

Why are people downvoting this person for stating a fact?

Because it's a shitty excuse for deliberately breaking UX.

Because it's an indication that the designer believes he/she knows better than the OS programmers, the browser programmers, and the user when it comes to site ergonomics when said belief is demonstrably misguided.

Because it doesn't fix the problem.

You are not answering my question.

Why are people downvoting azeirah when azeirah isn't the designer of the site, and is not even advocating the design of the site?