I gave it a 9 because ....
the movie, IMO, made a kind of poignant statement. Man will keep trashing the ecology (eg oil spills, Fukushima nuclear reactor leak, etc...) and making these "monsters" (aka victims), wax philosophical for just a bit, then resume doing it all over or stand by will it happens.
"If Mad Max Fury Road is an 8 (I gave it a 1). Then I'll use 8 for OK, 9 is better, 10 is best."