Manders said:
The biker gang was lame. They came to the mall...why? To ruin the mall dwellers' good time? Then a bunch of that got killed and they ran away. How lame.
That is the probelm with a lot of other apocalyptic visions. In the event of some kind of epedemic of something like this you would, assuming you survived long enough, sometimes meet other pockets of human resistance, gangs, small groups, military etc. Some of these groups wouldn't give a shit about your group, and would be hostile. Vigilantism would likely run rampant hence the mall looting/bashing. The main group obviously wanted to protect their resource (the mall) so they fought back, and scared off the gang who seemed to be more interested in causing trouble than actually sticking around there.
You don't have to like it, but it is well thought out.
Manders said:
The original was more of a zombie comedy than a horror flick. The zombies couldn't even hurt anyone. They were too stiff and they walked to slow.
It is comical now, but I am sure at the time the images were more gruesome, and perhaps shocking. The slow moving and walking zombies thing is just the genre paradigm. And they certainly seemed to kill a lot of people at that speed anyway, but that was part of the terror in the archetype, it moves slowely but is a sort of creeping, impending doom. You can walk around among them if you want... but if you get careless or cocky they will fuck your shit up proper.
As for the comedy, all the kind of absurd consumerism that they partake in was part of the movies social commentary, and is still evident in the "remake's" lounge music montage scene.
I don't care if you prefer the new one. If the movie is more your speed then that is great. But the original is well implimented for what it is