They clearly don’t. Hypersonics can hit targets from a huge range in minutes, and they’re nearly impossible to stop. This has been proven in actual use. They’re also much easier to hide, cheaper to maintain and to produce. In fact, hypesonic weapons is precisely what you’d use to take out bombers on an airfield. These are just a few obvious things off top of my head. There’s been plenty written on the subject by many experts. Maybe go read up on that instead of trolling here?