Why is this a red flag / canary? Given the chance, I'd take every single non-monetary benefit (such as "health benefit", or "exercise benefit") as direct moneta

Why is this a red flag / canary? Given the chance, I'd take every single non-monetary benefit (such as "health benefit", or "exercise benefit") as direct monetary compensation added to my pay, by virtue of the fact I know much better how to allocate that money such that it is beneficial to me.