PG is for PvP players. Open is for cooperative gameplay.
The problem with this statement is, while it is equally as arrogant as the statement "open is for PvP, if you don't want PvP go to solo or PG", for some reason the latter is the accepted arrogance, while your statement somehow is outrageous, just because those claiming open for PvP have the bigger... I was going to say balls, but it is more that they have the bigger club to hit you over the head with.
Oh and
@StarGoid : You sound incredibly arrogant and patronizing. Not helping your cause.
Having said that, here is one of my stories why unrestricted open with toothless C&P just sucks: Lately I have been flying more and more in open. Mostly because I just don't give a frack anymore and I am flying more or less gank proof ships anyway. But a while ago I had an encounter with one of those particularly annoying star campers that reminded me just how annoying those gankers can be.
I had dusted off an old ship and had to re-do some engineering, and for that I had to get a few experimentals from the engineers themselves. So I jump into a particular engineer system (no, not Deciat), and right at the star I see a hollow triangle, sitting and waiting, and in the contact panel of course one of those muppets with pink hair. And a particularly sad specimen too, because it wasn't one of the high traffic engineer systems, so it must have been
very exciting gameplay to sit at the star and wait for someone to arrive.
And of course - bam, interdiction. I submit, turn around, boost past him, target a high wake, and see a few projectiles whizzing by. I wait a little, but no comms or anything. Just camping and shooting. So I jump out.
Second try: Same thing. I wait a bit longer to jump out, more or less toying around with the fella a bit. I lose a bit of shield, but nothing major, toothless authorities arrive, and I jump out again. At that point I had to make a decision. I had already lost time dancing around some muppet's "emergent gameplay", and I now could choose between doing it all over again, leaving open or do what I chose to do: Block the fool and travel through to the engineer.
Some time later I thought I should have sent the muppet a friend request and ask him how long it would take to play that game for him to get bored of it and leave me alone, because by the second time it should have been clear that I did not want to play his game even though I was flying what looked like a combat ship (and then, after asking and maybe getting a reply unfriend him again

). Sadly, I only thought of that later. In the end, we all lost. The ganker did not get his pew, clubbed seal or salt collection, and I lost time and got annoyed with a muppet.