I didn't say it did. The implication was that fear of unionization caused companies to take actions which degrades their workforce's capabilities as a side effe

I didn't say it did. The implication was that fear of unionization caused companies to take actions which degrades their workforce's capabilities as a side effect. That said, other countries with unionized retail seem to be able to provide excellent customer service. So, maybe the problem isn't unions, but Americans (or Americans in unions)(or Americans in unions in a country where unionization has historically been waning). Or maybe your experience mischaracterizes the actual circumstances.