Backup request via FTP

Hello, currently the system allows backup only in AWS S3, so I would like to know if it is due to an exclusivity and agreement with Amazon or if they plan to provide other services, for example via FTP so that I can automate it to any other place.
It is very cumbersome to have to download it manually and upload it to external servers (I feel like I am in prehistoric times); I would like many other services, but I’ll settle for FTP because I can synchronize this with any other external server.
It’s possible?

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