This is a very convenient position to take as someone who presumably falls into the "doing better" group. If we are to improve people's working conditions, why

This is a very convenient position to take as someone who presumably falls into the "doing better" group. If we are to improve people's working conditions, why would we focus those efforts on those who already have it better? Put another way: if one group's salary averages $150,000/year while another's averages $40,000/year, and the first gets annual raises while the second stays mostly flat… can you see why that's bad?