Street photography on the forums is usually garbage. Most pix are just random snapshots of people on the street that have no meaning. It is 'look at me...I took some pix of strangers with or without them seeing me.'
You had a photo something like that recently. The girl with her legs out sitting down. I liked her legs...that was why I 'liked' it. The pix was xlnt for black and white conversion and presentation, but beyond that is said nothing to me. A street pix can be a still life a posed pix or a candid. Pretty much anything on the street. Bresson didn't like posed pix much, yet he had books on posed shots as well. We just do the best we can to ask or not ask. Nowadays lots of hostility towards photogs shooting on the street, so we have to weigh the risks we take.
Now, a good street pix for me does not have to be on the street exactly. Many of Eliott Erwitt's pix are not on the street but are shot in museums. But they are still of the street pix genre to me. Bruce Gilden has crapped up street pix that are a mess...but he still has some fantastic images. Same with Mark 'Grim Street' Cohen, interesting but messed up pix...I like em. So a poor technical street photo can still be a great one. Street can be color and does not have to be die hard BW images. Mcurry has many fantastic color street images.
http://www.the-curator.net/wp-content/uploads/2012/08/steve-mccurry-11.jpeg
OK, not on the street, but it is a street pix genre to me none the same.
We can't just pin this problem of producing junk with the forum street photogs either. Much of what is on the forums falls under the same category as I said above...meaningless photos that only say...look how happy I am with the crapper I just shot. We all have to learn though, so I don't say anything. If a shot is relatively sharp, half ass exposed, color balanced and is framed OK...I 'like' it to encourage the person.
Now, I shot crap as well when I started. I still shoot tons of crap (when I get the time to shoot.) Only diff is I trash my crap and I don't rejoice in it.
I have a few pix I saved from other fourms that are decent street pix, but can't post them here because of the forums rules. Suffice it to say, I've only found maybe 15 or 20 nice ones on the forums I liked enough to keep in the last 1-1/2 years.