Why would insurance deny a water damage claim

https://waterdamagemoldstlouispath.ironwoodscope.com/posts/why-insurance-denies-water-damage-and-mold-st.-louis-claims

Insurance might deny a water damage claim if they determine the leak happened gradually, like a slow pipe drip over months, rather than from a sudden burst. They'll also look for signs of neglect, like unrepaired roof holes or ignored mold, since policies typically cover accidents, not ongoing maintenance issues.