wordpress video short code / autoptimize

This is a beautiful plugin. Very well crafted.

But video embedded with the WP video short code does not scale down for mobile.

When I disable autoptimize the video does scale down.

Here’s a link with the video working properly.

http://charles-street-studio.ca/napier/portraits-from-an-artful-sunday/

Not sure what is going on here.