Yes there are unions involved, from the 3rd and 4th last paragraphs: > Alan Ochoa said long hours repeating the same moves over and over with a drill caused en

Yes there are unions involved, from the 3rd and 4th last paragraphs: > Alan Ochoa said long hours repeating the same moves over and over with a drill caused enough hand pain to prevent him from working. He was given an office job but said carpal tunnel injuries prevented him from typing on his laptop. > Tesla has made improvements, he said. “But why did they change? They changed because of its union efforts.”