I remember the original Mad Maxi movie when it came out, and the sequels, and I have Fury Road in my DVD collection somewhere. The films are not masterpieces and not a lot of thought is required to watch them, but they are tremendously entertaining.
Furiosa is pretty much the same; perhaps it has a revenge theme running through it that the others lacked, but otherwise it comes from the same stable as Mad Max et seq.
It's good fun. Not a lot of thought required. I wouldn't put anyone off seeing it, although of course it's quite violent (15 rating).