Obviously, the Olympics as it currently exists has a lot of problems - building stadiums over poor neighbourhoods, using slave labor (or close to it), promoting nationalism, etc.
But do you think the concept of “People from different countries (or regions or whatever once borders are removed) around the world compete to see who can run the fastest, throw things the furthest, jump the highest, and so on, and win some kind of prize based on their performance” is a fundamentally good one or not?
And if it is good, how do you think it would be different to the regular Olympics?
Olympic committees across the globe commit abuse against their athletes in the name of winning more gold. Watch Athlete A
As several comments have pointed to, there are already several historical worker equivalents to the olympics across decades. So I feel we broadly do have an answer to that question. Take your pick from the various attempts
sports and competition are fun, especially when how you do is not directly tied to your sustenance