Is it wrong to watch/create this kind of film?

Rating: Null/10 (15 June 2006)

I watched this film last night and thought it was a very deep and emotive film.
However, as I watched it I realised that although the film can be touching a very raw nerve, are my fellow viewers sick for watching almost 'car crash' television whilst eating their popcorn and sweets?
Naturally I feel that this is perhaps a very tunnel visioned view but this 'issue' has been at the centre of a very controversial debate. In my eyes, this is how I feel:-
1) When choosing to watch the film, I wanted to see what happened on that fateful day - there was so much in the film that I didn't realise/contemplate or even consider.
2) I completely understand that some people really have no desire to watch that film at all but at the same time the same principle can then be applied to other films such as Jar Head during the Gulf War, War Films, Munich etc etc. So what makes this film so different apart from the lapse of time between 9/11 and day of release? But is that such a bad thing?
3) Thanks to IMDb, before watching I read on the website that the filmmakers had used a proportion of the proceeds from the film (perhaps the cinema tickets) to put towards the memorial for the United 93 victims. This figure turned out to be 1.95million. OK - that may be relatively small in proportion to how much money is generated from a film - but then again - there has still been a contribution so I can only feel drop of satisfaction
PS - As for the rating of the film - i don't know - i didn't know how to rate it. it's not something that was rateable. for me i gave it a 9 because quite simply it was something that made me think - opened my mind and my eyes! is that an over clichÃ©d thing to say?
Sorry has been on my mind all day - so thought I would put to you guys!