The easier thing might have been if Chrome & co opted to include any number of polyfills in JS bundled with the browser instead of making an odd situation where

The easier thing might have been if Chrome & co opted to include any number of polyfills in JS bundled with the browser instead of making an odd situation where things just break. I think you can recognize that the burden of maintaining a proven security nightmare is annoying while simultaneously getting annoyed for them over-grabbing on this.