But the way they quashed it is instructive: every few years they'd come up with some New, Improved way of doing it, and depreciating the old. People got sick a

But the way they quashed it is instructive: every few years they'd come up with some New, Improved way of doing it, and depreciating the old. People got sick and tired of learning the latest arcane, hard to program, generally with some degree of buggyness, poorly documented approach, only to have that become obsolete, and put what they'd created in jeopardy.