Of course he doesn't. Natasha is reasonably sure she could make him notice if she wanted him to, but she doesn't really. Making Steve do much of anything seems more and more like it's missing the point of...him.

"If I wanted to laugh at you, I wouldn't need to trick you anything new. You are the star spangled man with a plan, after all." There's plenty of old video footage for her to pull out if she needs to.