Unions exist to benefit the leadership and elect DemocRats. They don’t give a tinker’s damn about their members.
There used to be a unionized grocery store near me where precisely TWO of the staff of 50+ were designated as “full time” and received benefits.
The others got bupkis, despite paying their dues each week. The contract had been written in a very clever way to state that Sunday was not actually a day for purposes of the contract. Hence they could work part-timers 35+ hours and get away with it. No one made more than a few dimes above minimum wage.
I say “used to be” cause the store eventually failed and has been replaced with a non-union Aldi that starts new employees at twelve bucks an hour.