Earlier quoted context omitted.
Maybe the solution is to let go of this notion that every device needs to render exactly the way the designers want and embrace that difference. I've been on the internet since the mid 90s. I'm well aware of what was, andit was that way because people then as now wanted things to look and act exactly like they wanted and not embrace that not everyone wants or needs your carefully crafted graphical design.
I don't have any notion that sites should be exactly the same in every browser, but they should be approximately the same. Having two browsers render the same HTML in completely different ways would be very odd.
Or completely normal? Why shouldn't I bump up my minimum don't size to help read text and reduce eyestrain? Ditto for fixing low contrast text.