If someone need to take pain medication in order to get money something is distinctly wrong.
It does mean that labor costs will go up, especially in work places that pay low and require a lot of people doing physical work. It also mean we need to start having a different view about work places injuries. Every injury that occur because of work is a direct failure of either regulation or enforcement of said regulation.
do those people imagine you are stron man when your back gives out at the age of 30?
I'd say the people who benefit the most of someone's back giving out at the age of 30 are very happy that there are plenty of willing people that want to be seen as "strong".
They actively cheer for the bloodsport