Why bother writing code? Most of it will be discarded shortly after. Why bother having garbagemen? The garbage will just be there next Monday, like clockwork. Why bother doing any job at all? Death is all but certain after 120 years.

What other profession is allowed to behave like a nihilistic teenager? They're paid to do a job. There's always more work to be done in every job. Otherwise, it typically ceases to be a job rather quickly.