Apple’s Hide My Email feature has a vulnerability that does exactly what the name says it shouldn’t: reveal your real email address. Worse, Apple has ignored reports of the flaw for over a year.

The results are in and wow, do people not use a lot of Apple’s features. In fact, only 4 of 20 features garnered more votes from those who used the feature than those who didn’t. Some of the usage patterns are no surprise—SharePlay, really?—but others caught us off guard.