&gt; If they use an emoticon in their only root account password with FileVault enabled, it&#x27;s Apple&#x27;s fault that they are now locked out of their machine.<p>Ok, so: if you look into who I am, you can rest guaranteed that I agree with your overall point and conclusion... but this amazingly-very-real?!?[1] emoji scenario you&#x27;ve described is <i>absolutely</i> &quot;Apple&#x27;s fault&quot;... if Apple lets me type an emoticon into that password field, it had better well support it reasonably :&#x2F;. This is a legitimate screw up in the abstraction provided by Apple, not an unavoidable tradeoff in the reality of using a computer.<p>[1]: <a href="http:&#x2F;&#x2F;apple.stackexchange.com&#x2F;questions&#x2F;202143&#x2F;i-included-emoji-in-my-password-and-now-i-cant-log-in-to-my-account-on-yosemite" rel="nofollow">http:&#x2F;&#x2F;apple.stackexchange.com&#x2F;questions&#x2F;202143&#x2F;i-included-e...</a>