Interesting....
I've had a camera of some sort since I was 10 years old. 35 mm starting n the 70's and medium format in the 80's. Now digital and medium format.
I don't have a blog, photography web site, or even a Flickr account. All I have to do is wander over to the Nature Photographers Network and look at some of the galleries and my place in the photo world becomes completely apparent.
On the other hand, I took some bird photos with my sigma 150 500, cropped the crap out of them, made a screen saver for the computer and let them run. My college boy came home and said "Wow, what kind of camera did you take those with".
Made me feel pretty good, Maybe I should turn pro too 
I think, for me, my photography can be pretty well summed up by with what John Shaw wrote in the opening to Nature Photography. "It's not so much what there is to shoot, it's what there is to discover."
So if it's OK with the rest of the world, I'll keep wandering around taking photos, and even if they aren't as good as some peoples, I'll still be happy even if I dont have a web site, flickr, blog and the title "pro" after my name.
Al