The last few paragraphs are quoting the company. My experience of labor disputes is that companies are often less than honest when engaged in them. I wouldn't

The last few paragraphs are quoting the company. My experience of labor disputes is that companies are often less than honest when engaged in them. I wouldn't trust their self reported records in this case. But also, it wouldn't be very surprising if the union drove a weaker bargain than the workers wanted. A lot of unions have gotten pretty toothless. I would guess both factors are at play here.