Making a single-axis script is time consuming. Basically everyone on this site has a single-axis device, multi-axis users are a smaller niche to start. And scripters are rare to begin with, so multi-axis scripters would be even more rare.
Adding extra axises takes even more time for a platform that has far fewer users makes multi-axis scripts a niche within a niche. And for vr the people would have to have the extra gear for that. So niche within a niche within a niche.
We’re thankful for the multi-axis scripters we’ve got but for the scripts that don’t get it we just do this: Turn Single-axis into Multi-axis