Twice the workload is a pretty extreme example. They could likely have boiled the frog - You're doing 25% longer routes this year, then another 25% the next, go

Twice the workload is a pretty extreme example. They could likely have boiled the frog - You're doing 25% longer routes this year, then another 25% the next, gotten real efficiency gains, and gotten reasonable pushback when they did. A strike is the right option, but strikes are good for nobody. It's crazy how often management these days has just zero clue.