I agree. Pirelli should only use the hard tyre from now on.
You'll notice that the majority of the teams, if not all of them, are not commenting about the way the tyres work.
Perhaps they all realise that, whilst more durable tyres will not require changing quite so often, it would not be in their best interests with regard to having any hope of winning any championship for the tyres to be made more durable?
More durable tyres would not only show bigger discrepancies between the cars, but would also make the closing of any gaps in performance that much more difficult.
I also agree that Pirelli need to use better glue.