My understanding is that is for very few of the population, not the majority (specifically, the "public safety" workers). Those extreme cases are the ones that need to be changed.
Calstrs is teachers, Calpers is state and local govt employees.....some of the rates are jumping up to 17% of salary because of sweetened benefits that were passed, and losses in the dotcom bust.
That is breaking budgets all across the state.
City of LA has their own plan, as do other big cities. San Diego recently disclosed they were still paying over 100 dead retirees from their pension plan, which is $1 billion in debt.