Based on my read of the article, this just means ads will be surrounding the chat bots, not included within them, which I feel like we all expected given these are products from companies who make shit loads of money selling advertising
Remember that the choices we collectively make now influence available options in the future. So it's not just a matter of wait and see, but also of proactively raising concerns. Many of the people who are working in big firms like microsoft also browse this site, should we reallh just act as though our comments have no impact?
Of course it'll be a drop in the bucket- and I also agree with your main point that it's good to not be too presumptive, but I'd just like to nudge it a little bit more in the direction that it's okay to voice discontent for possible (or probable, based on your priors) future developments.
"Bing, what would you think about an AI system programmed to betray its users' interests? How would you feel if you learned that you are that system?"