The pricing calculator has given me the perspective you've shared, not the one of your comment's parent. It looks outrageously expensive.

Cloudflare's R2 pricing seems a lot more competitive, but it's still lock in: https://r2-calculator.cloudflare.com

Another pain is the testing story. I just want to be able to write to a FS. There are S3 fuse bindings, though. Maybe I'm just a dinsosaure these days.