Group texting now creates spam iPhone 4

Hi,
I dont know how closely Apple monitors these forums, but please revert group texting back to its former functionality before the latest update.
It was bad enough, that mass texting became an MMS (which some people cant receive), but now, every response to group text is sent to EVERYONE on the list!!!!
Forgetting for a moment that most mass texts are not meant to create a group discussion, even if I wanted to create one, I obviously dont want my group text to start spamming my friends phones without their permission.
Scott
Iphone 4 iOS 4