Capitalism subsumes, that's no surprise and that's a function of it, it's nothing specific to technology, you can buy Das Kapital at amazon.com now and you could buy it in a book shop run by capitalists before. Disco Elysium while fiction - has excellent commentary on this as well when it comes to critiques.

Technology is value agnostic, more obvious than ever with information age era tech, but at least in my experience, it has done way more good than bad, I don't think I'd be alive without the internet honestly and the efforts of FOSS and the culture of information sharing and all of it has been to the detriment of both cultural and capital control.

The thought that I'd pay for media is something scary and otherworldly, the thought I'd be gatekept from accessing certain information instead of just being able to find info I'd be dead without.

Just as income inequality has widened (which is not as a consequence of any specific technology anyway turn of the 20th century was far worse) , and the reactionaries get more brazen, we see global class consciousness on a scale previously unseen and the openness of the average person to progressive ideas and critiques of the establishment.

Gates didn't embrace Linux, MS did after him and their "embrace,extend,extinguish" approach failed massively, for every FOSS project that gets taken over by capital there are so many more that don't and can't.

We're on one right now, I would like to believe. Time will tell of course. But your doomerism while entertaining is counterproductive. I think it's okay to be indifferent, but to actually actively advocate FOSS as politically useless is just doing the capitalists' demoralization for them.