That would be you - however, some other people prefer to have multi-touch b/c it allows more precise control on the zoom level without having to doubt tap, then tap then tap, which zooms in pre-set increments.
Some people prefer RIM to Android.
Some people prefer Macs to PCs.
Don't bother trying to understand why folks want something a particular way. If you don't like it, fine and dandy. Others do.
The app PicSay (even the free version) allows true multi-touch, just as the video says.