Because it's tiresome to have seen years worth of such general veiled, or not so veiled, insults.
If I wanted to insult you, I'm come right out and do it. No need to disguise it. This is the internet after all
Some very knowledgeable posters don't even post in any forums any more and it feels like they were driven away. I think they got sick of being constantly attacked and personally insulted. Some stuck around longer but became a lot chippier themselves after a while.
So if someone asks for sample images to better illustrate how the DR limitations of Canon sensors adversely affects their images, you equate that with a personal attack? Different people shoot different things in different environments under different circumstances. I think a sample image or two goes a long way in illustrating how important DR is to each individual photographer.
Not to mention that you asked me why I decided to bring this up and I was just pointing that it was you who brought up the whole portfolio thing.
It's really quite simple. The guys that say Canon sensors have enough DR usually question the technique or skill set of the guys that say that Canon sensors don't have enough DR. On the other hand, the guys that go poo poo on Canon sensors state that all the technique in the world doesn't change the fact that Exmor sensors produce better IQ under certain situations.
IMHO, sample images (as some have already posted) would be a far more effective method of pointing out the need for more DR than typing out paragraphs upon paragraphs of arguments back and forth, but I suppose some people equate this with a personal attack. Gotcha, buddy