[If] OP is interested to make giveaway than send each person to 1 key than we have chance to get some balance.
Duh. The point is they're not doing a giveaway. They're doing a stress test (AKA DDOS).
Look over thread title Re: CoinWallet.eu Stress Test Cancelled +
Bitcoin Giveaway so it needs to get corrected one to avoid confusion because the current is totally misleading.