Given that the author is a comedian, I really don’t think she was trying to set any bars for social behaviour or seriously advise people to fake migraines rather than be honest about having a bad day. I found the humor in the (somewhat dramatized) description of the thought processes that a depressed person often goes…

I’m pretty sure it’s meant to be tongue-in-cheek. At least, that’s how I read it, as an introvert and someone who struggles with depression. I found it relatably funny.