Any time/effort you spend writing tests or fixing bugs caused by permitting whitespaces in filenames would be better spent on anything else. Any time/effort yo

Any time/effort you spend writing tests or fixing bugs caused by permitting whitespaces in filenames would be better spent on anything else. Any time/effort you spend writing tests or fixing bugs caused by permitting Unicode characters in domain names would be better spent on anything else. Any time/effort you spend writing tests or fixing bugs caused by permitting leap seconds in timestamps would be better spent on anything else. Etc.