LOTR - classist?

[Neurion]

There are far too many learned thoughts in Manwe's post for me to address all at once, or perhaps even at all, but I have to take exception to this:

Originally Posted by Mänwe

However we have characters such as Denethor which “upsets” this balance, someone who was less capable of leading. There will always be men who strive for control; we know Denethor renounced Aragorn’s authority vehemently.

Others may agree with this, but I can't. I may be wrong but I really don't think the text supports Denethor's being a "less than capable" ruler.