Should have started with the last paragraphs first, and used the top paragraphs to support it's argument -- Of course; this approach would not be clickbait.
Well, I think my statement is not clickbait because it is just what I believe to be true. I was even at a talk where a senior mathematician said this also, that "math is running out of problems".
I could have said "You won't believe what these mathematicians are doing to obtain new problems WAAH! -- Now that would be clickbait :)