While I share your disgust for IE and its successor Edge, you are incorrect about one thing.
The Chrome install base on Windows is not entirely due to user choice. Chrome is/was bundled and selected for installation by default with many other software products, including Adobe Reader, CCleaner, and Avast antivirus.
My dads Dell came with Edge, Firefox and Chrome installed. I wonder how many other vendors are including multiple browsers? Surely if you purchase Win10 on its own you only get Edge, but I don't think most people are buying Win10 on its own compared to purchasing a PC that has it installed already.
all computers should do that.
and then have an icon called internet which spawns randomly either of the three (session based)
also you need a standard to share favicons.
Fair counterargument. Thanks. I'd still contend it's different from something being bundled with an operating system (as in, a user or PC manufacturer must go out of their way to change it) and something that's tied to another piece of software that a consumer downloads.