The better compensated union workers still complain of unfair treatment by the less compensated non-union working taxpayer who pays the bill for the unions. For educators they are not very intelligent. It is in their best interest to not bring attention to their actual extensive benefit packages. It will just make the non-union working taxpayer angry and offended.
source: http://biggovernment.com/rnehring/2011/04/12/revealed-california-teachers-association-union-planning-takeover-of-state-capitol-building-next-month/