Many of those features are not in the interest of the end user. It’s Google’s idea that the web should be converted into a cross platform product it controls. A

Many of those features are not in the interest of the end user. It’s Google’s idea that the web should be converted into a cross platform product it controls. And Firefox follows along in the hopes of remaining relevant. The idea that simply by visiting a web page can fill many gigabytes of the user’s drive and keep using CPU resources even after a tab is closed is antithetical to what the web is supposed to be.