There's a difference between "implausible" and "scientifically not accurate". For example, turning dead people into walking zombies is scientifically untrue. Killing people dead in a day or so like in the movie is not the norm for most pandemics, but has happened before.

It's off topic to this thread, but if you'd like to start a new post listing what the LA Times writer objected to in the movie since I haven't seen that piece, please do and we can discuss those things and whether they are actually things to consider in a real pandemic.