[shasheene]

+1. The lack of 2x playback speed makes documentaries on Netflix unwatchable. Third-party Chrome extensions of unknown origin doesn't seem like a good idea.

Unfortunately, easier to stick to YouTube and VLC for documentary watching.

[lozenge]

Get Greasemonkey and you can limit the video speed controller to certain websites or turn it off when you're not using it. (And also disable auto update of the script).