GM倒闭的原因：工会问题解决了吗？

这篇文章说GM倒闭的两个原因：
http://finance.yahoo.com/news/government-auto-bailout-toyota-had-111637036.html

GM's problems broke down into two major categories when the question of the bailout first came up. One was that union member wages were too high for GM to sustain. The second had its foundation in GM's inability to sell enough cars to make money.

工会问题解决了吗？