The downside is that this means keeping a steady job is becoming increasingly more difficult. The moat that protected the job security of highly advanced professionals is rapidly deteriorating due to this democratization of information. Credentials mean less today than they ever have in history. Specialists will have to be on top of the ever-expanding spigot of new information in order to remain competitive and justify their fees in a time when anybody can just search Google/Youtube for the answer.
None of those would be problems if workers weren't financially dependent on their jobs, such as if we had a universal basic income. But since most of us our financially dependent on our jobs, we're basically in an arms race against each other to the bottom. Stay at the bleeding edge, or get replaced by a more financially desperate harder working 20 year old from an Asian country who learned everything you know from Youtube / the internet. Many will instinctively deny this now, but just watch how this continues to play out over the next 10-20 years.