Why is it that most 'progressive' writers are absolutely unable to write without qualifier... 

Try reading this article will all instances of the words 'could', 'may' and 'might' highlighted for your thought. If the qualifiers are removed or changed how does the statement change?

Yes, Mr. Wohlforth it does appear as though I'm taking a shot at you. Or, it could be that you're just overly sensitive.

See what I mean?