If a dev is going to use a weirdo non-CSV data interchange format, they would just use XSLX or JSON or etc etc etc. "ASV" is only a viable option if you then a

If a dev is going to use a weirdo non-CSV data interchange format, they would just use XSLX or JSON or etc etc etc. "ASV" is only a viable option if you then also use your time machine to go back 40 years and make everyone start using it then.