You should make a browser for you, like a QubesOS browser. Do you use QubesOS? If not, you should. But you can't lock down everyone else's general-purpose comp

You should make a browser for you, like a QubesOS browser. Do you use QubesOS? If not, you should. But you can't lock down everyone else's general-purpose computers just because you are more careful than the average. You're supporting the big corporations in the war against general-purpose computing here.