Dems lost ground and Trump picked up a not a small amount. They are voting against their self interests.
Since the two analyses give different results we can't say who gained ground and who lost it, but either way the fact that most union workers voted for Harris, despite her unpopularity with low-income people. It's simply not possible to blame union workers for the results in this election. I mean the second article you linked is pretty clear on why Harris didn't get the 100% you seem to be expecting.
https://www.msn.com/en-us/news/politics/union-members-supported-trump-in-defiance-of-organizational-endorsements-of-harris/ar-AA1tGID0
https://www.theguardian.com/us-news/2024/nov/06/election-harris-loss-labor-unions
Unions went for Biden 56/40 in 2020 https://www.cnn.com/election/2020/exit-polls/president/national-results
Unions went for Harris 55/43 in 2024 https://www.politico.com/news/2024/11/06/harris-democrats-union-harris-votes-00187943
Dems lost ground and Trump picked up a not a small amount. They are voting against their self interests.
Since the two analyses give different results we can't say who gained ground and who lost it, but either way the fact that most union workers voted for Harris, despite her unpopularity with low-income people. It's simply not possible to blame union workers for the results in this election. I mean the second article you linked is pretty clear on why Harris didn't get the 100% you seem to be expecting.