At least in germany the criticism is based on the fact that Amazon considers its business and workforce as part of the lower paying logistics sector, while unio

At least in germany the criticism is based on the fact that Amazon considers its business and workforce as part of the lower paying logistics sector, while unions expect Amazon's employess to be paid according to the retail/trade labor contract. That means mentioning the high salary level among logistic workers doesn't address the actual concern of the unions.