Precisely, and we already have tools at our disposal for that which also work very well in the news agency example (albeit internally): Wiki and Git. Blockchain adds nothing, and has disadvantages of wasting resources.

The only thing the Blockchain has proven to be useful for is cons in the form of speculation, akin to Ponzi scheme. I've seen it argued that it allows people to move away cheaply from bad currencies. Companies like PayPal and Stripe allow for the same already, and they use real currencies.