Look at NYC, most of the P.S.systems are still analog and conventional, that says something when the largest city in the U.S. has stayed analog and conventional.
At the risk of antagonizing New Yorkers, I wouldn't be too quick to champion them. It took decades for FDNY to switch to safe, fully-encapsulating bunker gear instead of long coats and roll-up boots, because that's the way they'd always done it.
Just because an agency chooses to stick with ancient technology doesn't mean it is a visionary, nor that that technology is right for every situation.
The fire service has a slogan: "200 years of tradition, unhindered by progress". It's not meant to be prideful.