Average people with normal skills? Like smoking zombies one handed while cradling a child is normal. Maybe if Claire used the umbrella to lay a whopping I could agree. And that final fight with Miller was one bullet time away from over the top.
Changes like removing the ridiculous traps of the mansion to modern death machines.
Changing a town paralyzed with fear over a summer of cannibal murders (which responds with a 10 man "special forces team" to manageable corporate espionage and sabotage.
If that movie was too similar, I'd have no interest; much like half of Apocalypse. I read Romero's script that the "die hard originalists" fawn over and was not ****ing impressed. He lost whatever touch he barely had with Day of the Dead and had he done this, we'd be talking about Resident Evil's Diary of the Dead. Fortunately, Anderson gave us the Mortal Kombat version of Resident Evil before the Mortal Kombat Annihilation of Resident Evil.