> if the cost of a resource goes up, the total spend on that resource can go down.

Not unlike hiking taxes on the rich, seeing them vote with their feet, and revenue subsequently catering.

But as long as we reward politicians for delivering blame more than results, this political folly will continue.

Until Strein's Law[1] kicks the teeth in.

[1] https://en.wikipedia.org/wiki/Herbert_Stein#Stein's_Law