Just to add some balance, I hired a Pinarello while in Mallorca last year and was very unimpressed with it.
Balance? Maybe the particular bike wasn't suitable for your needs at that time, but since you don't say what model Pinarello it was or what type of riding you were doing, it doesn't add anything useful or interesting to the conversation.
The OP asked for comments on a particular PX bike. Since my PX Holdsworth is a very similar frame, I felt my experience of flaky paint was a relevant observation. That may be down to a one-off bad batch, it may be a flaw in the production process that affects all PX Holdsworth frames. Nothing to do with snobbery. Nothing to do with the relative value or performance of any other make or model of bike.
You seem bizarrely intent on defending Planet X bikes against any criticism, however legitimate, at any cost. Do you have shares in the company?