Well you'd expect that coming from people who support other coins, as always.. when they don't understand or aren't invested in something they bash and troll it.
Anyways they are usefull for some mathematicians, I belive only a few use such huge primes, that's what I've found out a while ago..

You might want to sign with your real name, if you want to be a record holder rather than a forum username. That's what I would do at-least