If all of them collectively demanded higher wages, it would help a lot. If any of them demanded higher wages on their own, their income would drop to zero as everyone else happily eats their lunch.
Market forces will ensure that there's someone in a developing country who will do the work for less than a developed country's living wage. Usually when you have to fight the market, you do it with government, but that's tough since there's no global government setting a minimum wage. So I guess it's up to each country to adopt trade policies to restrict businesses in their jurisdiction from contracting with foreign workers. I don't think there's a good answer for how to solve this. American industrial and manufacturing workers have felt this pain for a long time.
Market forces will ensure that there's someone in a developing country who will do the work for less than a developed country's living wage. Usually when you have to fight the market, you do it with government, but that's tough since there's no global government setting a minimum wage. So I guess it's up to each country to adopt trade policies to restrict businesses in their jurisdiction from contracting with foreign workers. I don't think there's a good answer for how to solve this. American industrial and manufacturing workers have felt this pain for a long time.