If anyone asks you to work 7 days a week, that should be a once a year thing for a genuinely urgent priority that is highly likely to materially impact humans imminently
Working 7 days a week is a Black Swan event: a rare exception, on the order of log4j or WannaCry
Not, for comparison, like weekly critical network security software vulnerabilities — ("Massive slam on Fortinet out of nowhere", said Gideon) — but for the unusual, atypical, anomalous catastrophes