I wouldn't trust the management of this team for anything. They appear totally incompetent in both management and basic half-brain analytical skills. Who in the heck creates a cluster per service per cloud provider, duplicate all the supporting services around it, burn money and sanity in a pit, and blame the tool.
Literally every single decision they listed was to use any of the given tools in the absolute worst, incompetent way possible. I wouldn't trust them with a Lego toy set with this record.
The people who quit didn't quit merely out of burnout. They quit the stupidity of the managers running this s##tshow.