Same as Liz Truss killing the queen. Sometimes, when you're old and in poor health, you just experience something that makes you think "fuck it, I don't need to put up with this shit anymore."
When you're at the end of your life and hanging on the edge looking for a glimmer of hope .... then you get visited by an absolute tool that is only motivated by greed and power and represents a general apathy for any kind of humanity ...
you just think to yourself, "yeah, nah, this isn't worth it any more"