I agree completely. It fascinates me how that loss to Rosol has cost Nadal, every bit as much, in a sense, as being out for 7 months.
The thing is, I don't get it. However you look at it Nadal would have been seeded five at Wimbledon. He went back to five in the world after RG, so Wimbledon doing the seedings purely on rankings wouldn't have helped him. He would have still been seeded five. He had an awful grass season last year, and if I'm not much mistaken, hasn't won a major other than RG since 2010, which is before the cut off point for consideration in his Wimbledon seeding. It's not rocket science to me. Whatever way you look at it Nadal would have been the fifth seed. To make him a special case and give him 4th seed would have been unfair on Ferrer.
It really would have been unfair on him - he's worked very hard for his ranking, playing the full season and has earnt his top 4 seeding. I dread to think what the comments might be like if he gets seeded as number 4 at the USO ahead of Federer!
I've seen arguments based around how Rafa deserves to be ranked ahead of Ferrer because he beat him in the RG final which to me shows a lack of understanding of how the ranking system works. The thing is, I don't think Rafa himself is at all bothered about this - it's just the tennis pundits and journalists who are outraged on his behalf. But they never said anything like this when Del Potro was coming back from injury - with a much lower ranking...
I personally think it makes the draw a lot more interesting than it otherwise would be. A Nadal/Federer QF would be good to watch. I'd prefer Andy to draw Ferrer, but if he did draw Rafa in the QF then I'm sure he'd be up for the challenge.