I’ve always 1 indexed because there are non software engineers on here and I didn’t need to introduce the confusion that shibboleth would cause
Honestly love Fortran as a language but really worried about how it's both the foundation of most core packages like Numpy and Scipy and is increasingly underresourced outside of physics departments.
There used to be a time when some HNers used to kvetch over not using 0-indexing and that kind of pedantry should have been cracked down.