The first thing that crossed my mind is that your formal “Subject” and your actual question in the posting are at odds with each other. Fair warning – I’m going to wax pedantic.
But to address your comment about blocking…Internet access by many employees (don’t have a clue as to the actual percentages) has been proven to be a significant productivity drain. People sitting at a desk are NOT being paid to surf the web, etc. A certain amount is tolerated (amount depending on the employer or supervisor).
Your subject however wonders if “commercialism” has wrecked
blogging. That implies to my mind that blogs are about commercialism. End of minor rant.
As an independent consultant, my surfing the web on a customer’s time would be a serious breach of trust. I bill the customers based on how many hours I’ve spent at their facility, or spent on their behalf at my desk.
Web surfing would be an egregious breach of that trust, and would be viewed as the moral equivalent of theft unless it was directly related to the job at hand.
Long term employees aren’t under quite as strict controls – partially because the trade-off of full-time employment includes a certain amount of goofing off which a contractor/consultant is not entitled to – partially because of the higher per-hour cost.
Back to your primary question though. Your second point (about splog) is quite valid. I wasn’t aware of it until you mentioned it, but that does lend validity to your “Subject:” question. If that becomes prevalent, then you may well have a legitimate point (as opposed to a question at the moment).
I do thank you very much for bringing up the subject though! It is certainly thought provoking.