[dap]

This is a false dichotomy. Not every technique needs to work in all cases in order to be useful.

This seems analogous to arguing that because seat belts don't save the lives of all people involved in car crashes, and they're kind of annoying, then they shouldn't be factory-standard.

[simonask]

This is a case of a feature that is actively harmful for the things it tries to prevent, because it increases the risk in practice of panics "spreading" throughout a system, even after the programmer thought she had finished handling it, and because it gives a false impression what kind of guarantee you actually have.