The pharmaceudical companies would have made far more coin before they were banned - hell, some sold cases out the back door to local dealers (source: Anabolics 2006)
The FDA was against them being banned.
Romano did some very good articles about this subject a year or two ago.
It's all politics, pseudoscience, and fear mongering.
All it did was drive it underground, putting money in the hands of criminals and putting users at risk (violent dealers, counterfeits, etc . . .)
I read that the Russian mafia controlled the steroid market in New York - apparently they kept fakes off the streets