I’ve never done this and I’ve never told my team to do it.
What we have done though, and I will continue to do, js force us to leave things we want a decision on in a clearly broken/prototype state. The number of times I’ve gone into meetings to unblock a team only to have the whole thing derailed by a nothingburger bug that was hard to not see was the inspiration.
if you leave the UI element magenta with cyan font instead of default application style then you’ll actually get a discussion on your UI element.