Unions protect against the power imbalance between the capitalist class (in the classical definition -- those who control the capital) and the labor class (agai

Unions protect against the power imbalance between the capitalist class (in the classical definition -- those who control the capital) and the labor class (again, in the classical definition -- those who sell work for wage). The skill disparities you describe exist in literally every field; software is not special in this regard.