Being poor in general, during your childhood, scars you for life. It makes you penny wise and pound foolish, adverse to taking risks in your career and investments, can destroy your confidence in yourself, while always having to look over your shoulder monetarily speaking. Habits that even after you remove poverty from your live, you still feel the the anxiety and triggers in your head.
My wife grew up very close to the poverty line, with her parents always just about to lose the house. And she has this anxiety. (Edit: to be clear, she's a successful civil engineer, considered one of the best in her field locally and makes great money- she has nothing to worry about.) In order to help with it, we have a bank account that our bills come out of that has a little more than 6 months worth of all our bil…
It's absolutely both of those things. It's financially unwise to take any risks at all with your emergency funds and operating expenses, so having 3-6 months worth locked up is absolutely the best thing you can do.