> cannot be understated
Seeing this a lot recently[1]. I guess you mean the opposite of what this implies ("his impact is less than you could state"), but I'm curious how this has ended up being almost as commonly used as the "correct" form[2]. Is it an in-joke or reference I'm not getting?
1: https://www.google.com/search?q=%22cannot+be+understated%22+...
2: https://www.google.com/search?q=%22cannot+be+overstated%22+s...