I don’t like how people are trying to stir up dissent and drama around this. The message posted is short and on point, it includes all the important bits. There really isn’t much more to add.

As a (Plasma based) Kubuntu user I was wondering as well. Looks like they tried to emulate the gnome look and feel in the picture. In Kubuntu the default taskbar is at the bottom and the floating application bar doesn’t exist