from here
Double spend to the wallets would be cool. I also guess you could double spend at the exchanges too, not so cool.
trust me I wont do anything malicious, even though I could have used the testnet.. You could get a raging clue from the name.. TESTNET.
and then this one.. bolding mine
1) Developing protection for Bitcoin against exploits
2) Developing a lethal alt chain killer.
3) Making developers aware that when the "bad guys" make you aware of an exploit, FIX IT!
but really he's not trying to make anyone lose money.. just if you got coins trade them now
of course if you are someone not following the forums currently, thinking your from jerks testing theories on the live chain rather than the testnet, perhaps you wont get this message.. BUT DONT WORRY HE ISNT TRYING TO GET ANYONE TO LOSE MONEY, EXCEPT HE IS GOING TO MAKE A LOT OF PEOPLE LOSE MONEY.
who do we believe? the slightly less douchey bitcoinexpress, or the megadouche douchebagexpress? they seem to be totally different people.
+1