You act like nobody uses computers/tablets anymore. If anything, those kinds of devices have been selling the best they’ve ever been due to the pandemic.
There are a lot of Discourse users on mobile, but there are also a lot of Discourse users on computers/tablets.
The fact that somebody went out of their way to create this high quality Customization > Plugin for free and in just one day due to a simple and out-of-the-blue request is something I have massive respect for.