Manufacturers the world over have adopted ramjet & turbofan/turbojet propulsion for anti-ship missiles (aside from the Soviets/Russians who used it more for nuclear roles), and for good reason. A rocket-propelled AShM is essentially a glide-weapon. It follows a predictable ballistic trajectory making it vulnerable to interception by area-defences and since it can’t be throttled its not very good at terminal stage jinxing (end-stage maneuvers would bleed much more energy than a cruise missile).
It’ll likely be effective against corvettes & smaller classes i.e. those equipped only with point-defence missiles & CIWS (read: RAM, Aster 15, Barak-1, etc.) but any ship equipped with longer ranged systems (read: ESSM, Aster 30, Barak-8) will engage it before it arrives at the ‘dive-envelope’.
End stage manuvering is important by also overstated. The most important factor is being able to overload the defender with as many missiles timed to arrive at the same time. No system today is going to reliably handle 20 simultaneous attacks.
From the defender’s point of view the best option is to down the aircrafts before they launch. Once those missiles are away whether those are jinxing at Mach 3 or diving at Mach 5 the defender is hard pressed.
For a little jet like JF-17, the ability to carry two hypersonic weapons makes it a formidable threat. There aren’t any other hypersonic AshM you can hang two of on a 6 ton jet. Weapons like the ASM-3 will be more common in time, but even Japan haven’t put it into mass production yet.
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