There is a run on Polo. Did you get yours out?
Cut the FUD you brat.
So you run the world's biggest exchange.
Do you
A - Run with everyone's money and spend the rest of your life on the run and probably unable to spend the coins.
B - Continue to coin it forever and undergo regular Ddosing because you're such a juicy target?
I think it could well be a B.
Here's some stats.
2015 ~$90,000/24hrs - ~800 users online
2016 ~$7,000,000/24hrs - ~4k users online
Yesterday > $1,000,000,000/24hrs - ~40k users online
Most services are going to buckle with such an explosion.