What you are really asking is for Google, Apple, Mozilla, and MS to make a better web _for you_. Because you don't want media to autoplay does not mean it is a good solution to just block it outright for everyone. Some websites have legitimate use for autoplaying media. Some users (believe it or not) actually _like_ their videos autoplaying when they scroll through their Facebook feed or whatever media site they visi…
I think Facebook's implementation strikes just the right balance. The video autoplays when it's in view, but without audio. If you want audio, you can click the play button to view it properly.