"Turns out, New York and Illinois have one characteristic in common: they both have specified, in their state constitutions, the protection of both past and future pension accruals...So why are their paths so different? Why is New York the second-best and Illinois (according to the same data) second-worst?"
Yes, and New York is losing wealthy residents to Florida and other states. Their progressive taxes have driven people out, meaning Illinois is only going to get worse when JB finds a way to tax residents more.
A largely unasked question is becoming glaring: Is Illinois doing all it should to use artificial intelligence to make government cost less and work better? So far, the evidence says no.
Yes, and New York is losing wealthy residents to Florida and other states. Their progressive taxes have driven people out, meaning Illinois is only going to get worse when JB finds a way to tax residents more.