If including JIT in a system renders its developer incapable of guaranteeing memory safety, then perhaps that developer’s approach to JIT is not yet mature enough to ethically distribute to non-technical consumers who are not positioned to evaluate that their security is being traded off by the developer on their behalf.

We’re past the era where security issues emanating from memory-unsafe code were tolerated due to being unavoidable — continuing to expose your software’s users to them in this present day and age is simply a choice.