The Movie Photoshopping Thread

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Is the photoshopping (blurring) of people in movies, where the script doesn't require it generally good or bad? Should they stop applying this technique to movies unless the script really requires it?

Examples of movies with photoshopping (blurring) applied:
Iron Man
The Island
Sweeney Todd: The Demon Barber of Fleet Street
Ultraviolet
Resident Evil: Extinction

edit:
By photoshopping I mean someone going through the film on a computer and applying a digital gaussian blur filter or other blur/softening to the film (especially people) - I don't mean using the photoshop program but with whatever software they use. Blu-ray is being promoted as being "high definition", yet films are getting gaussian blur or similar techniques applied, and in some cases, parts of the frames can have less resolution than on a standard definition PAL DVD, if we want a movie on Blu-ray in high definition - shouldn't we get the high definition instead of blurring all the resolution away with gaussian blurs?

I've copied these links from a few posts down so people know what I mean:

See this thread for photoshopping (blurring) info in Iron Man: https://forum.blu-ray.com/showthread.php?t=66014

See this post from Penton Man: https://forum.blu-ray.com/showpost.p...postcount=3158

See this website/post about Sweeney Todd & Resident Evil: Extinction
http://whiggles.landofwhimsy.com/arc...in_london.html