Even if he said something, no one paid attention.
It's really not Qiao Yu being petty, deliberately retaliating or anything. It's mainly because at his current status, he hasn't bothered with these trivial matters, and yet they get handled proactively.
The truth is Qiao Yu genuinely doesn't care about people making a fuss about him online.
People might question other twenty-six-year-old doctoral advisors, after all, most researchers at twenty-six are still in the stage of outsmarting their mentors.
But no one questions Qiao Yu becoming a doctoral advisor at twenty-four.
Fields Medal recipient, Nobel Prize recipient, though he never went to collect them. And also a recipient of the Clay Prize, Ramanujan Prize, and Gauss Prize.
The American Mathematical Society even awarded Qiao Yu with a mathematical research contribution award, while other minor awards are countless.
