I'll roll if he releases a firmware that bricks the fpga cards. That would be the most epic trolling of all time. Give out some really high figures, get a bunch of people to spend a ton of money on hardware, then release a firmware that destroys the fpga 
I've destroyed an amazon node or 2 accidentally with power draw. Mining is the reason the shell now has that 150A limit.
I've destroyed an amazon node or 2 accidentally with power draw. Mining is the reason the shell now has that 150A limit.
nice FUD
No, it's not. Unless you physically start smashing an fpga, you are not going to brick it, it's not a consumer product you just run xyz miner you downloaded odd the internet.
Total fud.
What's a fud?
Also you can very easily brick an FPGA if you don't know what you're doing (or do, and are trying to). One in a data center owned by Amazon? I don't know about that, I would assume they have safety measures in place, though as the OP says, they now have a power limit to prevent it...
Fear uncertain doubt
Since amazon put an amp limit my guess is morons mining at balls to the walls pedal to the metal speeds can kill the gear.