... until your jinja templating breaks for some obscure reason, or the underlying terraform resource upgrades (they follow the provider api after all), or if you need to do some state surgery and partition one terraform state into multiple ones, or until you want to import resources into the generated terraform or....

Apologies, I don't mean to be a downer. But... you're making your present life easier but making the code harder to maintain for future maintainers of your codebase.