In the US at least, the original retirement age, set in 1935, was 65. The average life expectancy was 60. Today in the US it's 77.8. In France, it's 82. As populations age into a higher percentage of retirees, the system is forced to cope with more people who are purely consumers, and contribute nothing to the system. In a post-scarcity world, this would not be a problem, but currently with the oldest generations own…
At some point we have to rethink what "contributing to the system" means. What are web developers designing ads for online casinos contributing?
That said, there are some jobs we can easily label as zero wroth. E.g., jobs where people dig pits and fill them up (common in job schemes in socialist countries). These are jobs that powerful folks invent to remain in power by bribing poorer folks.
https://finance.yahoo.com/news/mgnrega-easy-jobs-may-harmed-...
A mega job-guarantee program to alleviate massive rural distress may have had an unexpected, deleterious effect: luring India’s skilled labour away from the organised sector. ... Lured by the lesser effort involved—MGNREGA jobs like digging pits and filling them don’t need any skills—they leave their factory jobs to work for 100 days under the program and then take up other contractual jobs for the rest of the year.
Or the famous wages for just looking:https://en.wikipedia.org/wiki/Nokku_kooli
Nokku kooli is a euphemism for extortion by organized labour unions in Kerala under which bribes are paid to trade union activists in exchange for allowing unaffiliated workers to unload their own belongings and materials.[1] This happens with the tacit support of political parties including those in government. In Malayalam, 'nokku kooli', translates into 'gawking wages' or 'wages for (just) looking on'.[2]