I really doubt this is a valid philosophical concept. Of course, almost anything can be correct as long as you redefine the word "prison" accordingly, but still, being prohibited of leaving your cell/home/visiting a grocery store w/o a QR-code/saying things on the internet are objective realities, regardless of them applying only to you or to everyone else as well. So, yeah, I guess it does work like that, but only as long as other people changing their definition of a "prison" is enough for you to feel free again.