Source?
I get that it takes time to hire / train staff, but they should have been hiring extra for some time. They have demonstrated that they understand the importance of hardware redundancy in keeping their site online and their trading engine running - their support system is just as important. If it's constantly running at capacity then something has gone wrong.
Private conversation with one of their support managers.
how can they tell the difernce between coins generated by a miner or some guy selling weed on silk road ?
No idea - I dont know the ins and outs of that process.
Del