Having some very widely used things being 0 indexed, and others 1 indexed, kind of points to a problem in the language, regardless of if it's technically a lang

Having some very widely used things being 0 indexed, and others 1 indexed, kind of points to a problem in the language, regardless of if it's technically a language syntax issue: At the end of the day you're still going to have a ton of time wasted by devs having to check, and there will be bugs eventually of things being not converted or double converted between the two index schemas