Or just use their built in sync and sign in one time, and all your addons will be installed and enabled for you.
If your argument boils down to "none of the browsers are exactly pre-configured for me, one of the 7 billion not special people on the planet", I’m not sure there’s a productive conversation to be had here.
Well, we're here on a web site discussing it, and the top two recommendations are "build one yourself from parts" and "buy a used one in cash".
Seems to me that it's the very definition of unrealistic if the real world has almost no examples that do it.