Design flaws were baked in early...to me seemed a case of "needing numbers" and a souped up coastal patrol boat was tasked with doing things a destroyer would do with a shallower draft...
https://www.dailymail.co.uk/news/article-10812851/US-Navy-scraps-NINE-warships-three-years-old-3-2bn-fleets-tech-obsolete.htmlThere is nothing wrong with destroyers, and patrol boats for the Navy should be limited to in-theater needs (like the larger Cyclone Class [littoral/interdiction] and smaller Mark IV [riverine] ) and patrolling key naval stations...whereas the Coast Guard with 3 classes (Marine Protector, Island & Sentinel) perform civilian/commercial harbor patrol, littoral coverage, rescue and interdiction. They tried to fix what wasn't broken with a mutli-role mission on a poorly designed platform...
Dumb.