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See my reply to sibling comment: if you're thinking safety is purely PvE, you're in for a bad time.

Humans are reckless idiots. If circumventing safety systems means they can go home 15 minutes earlier (or if it's the only/simplest easy to get reach some unrealistic high daily goal dictated from higher ups), some of us will happily risk their own health, and that of a whole city, to do so.

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Ok, not 100%. Human Factors can be critical in a lot of cases. Similar to security, designers try to eliminate the system's reliance on human actions wherever possible.

Still though, security is fighting against an opponent who searches for weak points and exploits them to the max. "Safety" protects against random natural accidental events (either internal or external in origin). If someone is just trying to get home, they want to get the job done quickly sure, but their intent is not to cause damage, their actions aren't targeted. It's a different risk profile.

Thanks for agreeing :) safety also protects against preventable human errors.

Maybe my examples are bording on sabotage, eg "sabotage by accident".

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