> This is an odd thing to say. Can't I already run many graphical applications on a single kernel even without docker containers? And wouldn't that be even more

> This is an odd thing to say. Can't I already run many graphical applications on a single kernel even without docker containers? And wouldn't that be even more lightweight? I think what is written between the lines is that they compare it to full OS virtualization. That need for that results from the desire to isolate multiple users from each other.