That guy is notorious for finding "flaws" everywhere. Here is his characteristic I saw few days ago (I've been seeing similar characteristics every month with regard to different coins/platforms):
Anonymint is a well known Monero hater. His mathematics knowledge is a joke; just enough to be able to waste the time of Monero's PhD cryptographers. He's been coming up with imaginary vulnerabilities since 2014. They require ridiculous conditions which exist only in his head.