From GA. But it is quite normal these days.
Out there is two exceptions: really tech- and consult-dependent niches. There bigger screens have bigger share.
This should not be any kind news today. Desktop selling has sinked so much.
Exacly my point 
But it can be solved. Wordpress-way, showing under content, is more or less waste of time and resourses, because almost none will see widgets ever. But using menus or embedding same functionality elsewhere can be done, if wanted.
But then things must be started to do differently. Serving every day same minority just because that was situation 10 years then is a lazy solution
But I got my answer, thanks. It is just for desktops and because of that it doesn’t help a bit majority of users, so it is mainly just more bloating.