SONET Interconnect (was RE: MCI)

According to Sean Doran:

Someone suggested to me that it's because so much money has
been spent on developing the technology that it HAS to be
used in order to recover the investment.

This may be somewhat apocryphal, but it's eminently


Doesn't the fact that they recover the investment mean that enough
people wanted the product and were willing to pay for it?