I agree with you. Especially about future posters or someone reading over the forums, as I tend to do often. I'm not sure if everyone will take your message to heart or even realize you are talking about them, but its not a bad idea to bring this up, especially not singling anyone out.
I have always felt the internet in general lacks courtesy and respect, but that doesn't mean this forum has to fall under the same attitude.
However, I do notice that older members are usually not the ones being disrespectful or rude, and I really respect those who respond with courtesy. Even when a new member uses better language, I am more apt to respect that member.
Obviously I don't post much on the forums, but I do really enjoy this site and the VERY knowledgeable members here who post.
Kudos for posting this!