It's summed up nicely in DakotaSmith's OP link
. He wrote an amazingly detailed Trek chronology, but was absolutely unable to cope when subsequent Powers That Be chose to disregard many of the assumptions made in the first-generation technical manuals, booklets and unlicenced technical fanzines. He took it all very personally.
One more James Dixon sighting
. Look for two posts by JTD
near and at the very bottom. In his chronology and rants, he held up the Star Wars Expanded Universe as the ultimate example of a mammoth continuity which built upon the old instead of overwriting/ignoring it. Now JJ Abrams has come along and the SW EU looks likely to be ignored by Star Wars Episode VII...