> ...but in my world that excuse runs out waaaaaay before 15 months.

I expect the combination of

  Yes, we should've migrated away sooner, we never had the capacity to do so and hoped Bunny would just get their shit together.

  The loss rate isn't enormous in percentage terms, but it's consistent and ongoing.

[0] "Just" add a retry if the post-upload verification step fails! Sure, it's slower, but it works, right??? mournful sob