Flying Con 
... happy to pay $$$$$ for many different flavors of professional expertise.
Hhmm, well, it's another discussion altogether but: Working in Telecommunications for 25+ years I found that - as the technology entered every day life as fax machines/mobile phones/e-mail/internet then clients thought that they understood it and did not need an expert to tell them. Pointing out that buying a cordless phone at home and a network of 200 cordless phones in an office building was
not the same thing ... was met by polite disagreement and end of sales pitch.
In other words, whereas the really big companies knew that they had complex installations and needed specialised help, at the middle and smaller end of the market, they thought that they understood it and could do without. "But it's just a telephone!" (and many other things besides). Now, all specialists say this across the years I am sure but it's just my observation of one of the changes that I (and colleagues/friends) have seen.
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"I tell you, we are here on Earth to fart around, and don't let anybody tell you any different."
Kurt Vonnegut, Jr.