Hi @RCBakerBorn,
I hope you're doing well. Don't tell me the name of the supplier, let's protect the innocent. 🙂
So for background, the grand majority of manufacturing centers on gerbers and supplementary manufacturing info like BOMs and Pick n Place files, etc. This approach is simple, protects IP, and gives the info necessary to get the boards made. This is the industry standard. With that said, it has it's faults, namely that you have to produce a LOT of files.
The ODB++ standard was developed avoid generating disparate files and different file formats and unify everything in one place. If a manufacturer is setup for it, it streamlines the manufacturing process and can save money. It's been refined over the years and is still very relevant, especially in high volume production.
With all that said, if your board manufacturer does not support them or want them then it's best not to send it to them. Any additional info you send that they don't need will create confusion.
You can create a custom CAM job to only produce the data you want to send. There are also quick export buttons to export just the gerbers and supplementary files, or to export ODB++.
This can also help you avoid sending extra data.
Best Regards,

Jorge Garcia
Product Support Specialist for Fusion 360 and EAGLE
Kudos are much appreciated if the information I have shared is helpful to you and/or others.
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