Reminds me of this other post (https://news.ycombinator.com/item?id=48447935), which suggests the following solution:
If you create your own `~/thunderbird` directory, then Thunderbird will stop littering your home directory.
If you create your own `~/thunderbird` directory, then Thunderbird will stop littering your home directory.
Yes, this does not unclutter the home folder, but it does keep a program from touching places I don't want it to.
I don't care to have the machine rm -rf'ing on its own.