I wish I knew this eons ago. I’m sure there are some good ones...somewhere. But, FUCK RECRUITERS.
Meeting times for potential employers, length of engagement for contracts, date of pay, and so on.
Being a young, hopeful professional leads to being taken advantage of because at our core, we all believe that people act in good faith. The more I worked with them (and the older I got), I've learned that once money is in play all bets are off.
Very much interested into what you might have seen.