This is a bad move if it melts down (hope not) they will have to pay the price of lives for it. I don't think that's how it works. They wouldn't decommission the sirens if they didn't think there was a good reason to, or if they didn't think there was an adequate early warning system to replace it....
The parent company of ASC was Alerting Communicators of America, (ACA) died out because of poor sales. Then Mr. Biersach went on to buy ASC and then after some years, it is as we know it today. A little more info about asc: https://en.wikipedia.org/wiki/American_Signal_Corporation#:~:text=ASC%20was...