I have a desktop and 4 laptops, zero tablets, and one phone. Of course they all boot linux by default. But I know I’m an outlier. I hang out with average families. They have maybe one desktop, two to three laptops (of which about half are school chromebooks), a Playstation/Switch/XBox, and one phone per person. Plus the computers they use most are not in their house they are servers in data centers. The machines they possess are really just interfaces to the computers they actually rely on.