This is what happens when you send a PGP-encrypted email with Memory Hole encryption for the subject line/header to Werner Koch (of GnuPG fame):

😂
This is what happens when you send a PGP-encrypted email with Memory Hole encryption for the subject line/header to Werner Koch (of GnuPG fame):

😂
Fortunately, Thunderbird indeed makes it very easy to re-send with just the subject encryption turned off. Good job, Thunderbird devs! 👏