Do you have any examples of Python, Java, or any of the other Tiobe top 40 languages breaking the JSON spec in their standard library?
In contrast, for the few of those that have CSV libraries, how many of those libraries will simply fail to parse a large number of the .csv variations out there?
Sometimes commas to delimiter, sometimes semicolons, floating point values might have dots or commas to separate fraction digits.
Not to mention text encodings, Ascii, western european character sets, or maybe utf-8 or whatever...
It's a bloody mess.
EDIT: The readme's results are from 2016, but there's more recent results (last updated 5 years ago). Of the 54 parsers /versions tested, 7 gave always the expected result per the spec (disregarding cases where the spec does not define a result).
There's some interesting examples of ambiguities here: https://seriot.ch/projects/parsing_json.html
