They did not agree on hosting 3 or 4 sets a day, they think that's the appropriate amount of sets per day.
Hosting 3 or 4 sets a day would mean you'd have to spend at least 6 hours a day hosting events, you think that sounds reasonable for one person?
People have lifes, they do this on their spare time and their daily life keeps changing. We're not getting paid here so what you're asking for is unreasonable, you'll get that once you start paying your own bills I guess.
You need to learn how to appreciate their work instead of thinking of them as your slaves, I can't believe how someone can be so ungrateful.