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For some JavaScript devs is it now trendy to refuse best practices?

Glad Crockford wouldn't comply. Buggy code is buggy no matter the formatting. Learn to write future-proof code (or keep it off GitHub.)

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Those devs were debating what the best practice is, not refusing best practices. Saying stuff like "Learn to do X properly" in an argument is disingenuous and weak.

Crockford's argument, though stated abrasively, is that the best practice is the least ambiguous one.

why is there a question as to what the best practice is. If you always use a semicolon you have no ambiguity and thus no errors resulting from it. if you don't always use a semicolon you have ambiguity and the resulting compiler errors.

Why would you ever not use them other than lazyness?

It was trendy two and a half years ago when this thread happened. I like to imagine that things are better now... (They certainly are in Go, where the language authors learned from JS's mistakes, and decided to supply a code formatter alongside the compiler)

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