alt Hacker News>they suddenly remember who their campaign contributors are, and can then create reasons to avoid actually solving any of these problems.
There are very real concerns when you break up a company though. Rockefeller's wealth shot up a lot when Standard Oil was broken up. That could easily make a politician that's "politician out to get the big companies" into "politician making billionaires richer."
Tough to say for sure, but I think it's probably still better to have more billionaires if there's more competition.
I wasn't around during the breakup, but my parents told me that phone service got considerably better and cheaper after the AT&T breakup, which makes enough sense to me: if a consumer can drop you for someone else, you have a reason to try and compete on service and/or price.