>Basically, they're aiming for the equivalent of at-will employment in the US, where you can be dismissed for more or less any reason
Up to this point I thought that you were defending at-will employment :')
There are certainly problematic unions, but we should be equitable to the benefits that they provide.
OTOH I do agree that unions are much needed in a capitalistic society where only the ones with rare sought-after skills reap the rewards and the bulk are fighting over scraps.
Tell that to all the New Yorkers who can't enjoy a modern, efficient transportation because expansion is just too expensive and slow. Or good law enforcement, for that matter, too. Plenty of good journalistic pieces digging deep into it and the conclusion is one: corrupted, power-tripping unions. Example: https://www.nytimes.com/2017/12/28/nyregion/new-york-subway-...
I am not against unions nor regulation, but they can drain the employer and stagnate growth very quickly. It doesn't have to automatically be greedy CEO's "toxic condescension", it can have merit.
But 6000+ of them would still be alive.
The tradeoff you're condemning is literally people's lives for a few dollars of savings.
The reason is that when a union in a private company goes too far, that company can be replaced by a competitor. But if you cannot similarly replace a police force, nothing prevents a police union from going too far.
Basically, they're aiming for the equivalent of at-will employment in the US, where you can be dismissed for more or less any reason, as long as it's not because of a protected characteristic -- but again, bosses like this will always find ways around that anyway.
This kind of toxic condescension by (some) bosses and ruling/employing classes, is exactly why workers need unions. Solidarity and collective bargaining go a long way to stopping small powerful people from overreaching and exploiting workers.