It was a pleasure to read, but of course it should be taken with a grain of salt and not applied to every field :-) Imagine being in a software team and disregarding what others are doing? Screw the rest of the team, I'll work on my own better solution and ignore the parts that are already working well! You might end up with a good solution to the problem, but you'll also manage to piss off a lot of people ^^ A more…
I think the application of 'disregard others' to this case would be to ignore what other software teams working on the same problem are doing.