>And PCs connect to corporate-run wired networks

A bit wrong, PCs usually connect to modems or ONTs that in turn connect to the wired telco network, which are deeply unfree.

The nature of RF as a channel means your handset plays the role also of one of these unfree modems.

Attempting to draw a line between the corporate part and "your part" doesn't necessarily make sense because one doesn't exist, and if it did, is always shifting, especially in different environments.

I'm not necessarily "arguing in favor" of this kind of organization by describing it, but any alternative must rival what makes the telco system, for the most part, actually work. It's not enough to demand freedoms (which doesn't work), they have to be enshrined in real organization, in the social sense and material too. Today that means people have to get paid.