If you’ve seen that bulk data would be deleted, and your geo has recently been a focus… I’m not sure what your question is. You know nodes are having data removed… and have come to ask if anyone else has noticed data removed? 
Yes. Yes we have 
Don’t sweat it: we’re all living through the test-data-TTL-churn right now, so ingress has been lumpy… but underneath it all is the same natural customer growth slowly pushing used-space numbers up. Your nodes will recover. 