The amount of autonomy and decision complexity matters a lot. Autonomously making its way into a known area, recognizing the target and self-correcting to it is basically how every modern cruise missile works.
So the interesting question is to what extent the Iranian derived Hezbollah "garage rockets" (very poor guidance, CEP is basically "somewhere in Israel", but extremely cheap and require only smugglable parts) can be combined by some power with Ukrainian style precision guidance.
Well, this week proves that range and velocity limitation can be overcome if you ship them near to their destination in small boxes ahead of time. This wasn't really an option with cruise missiles.
