This didn’t just “happen to you”. Like most other people, you are simply living-out your past choices, so now must make still another one.
I think you should call a mandatory, company-wide meeting and announce that, starting tomorrow, everyone must begin behaving precisely the way you want them to. Also, that your salary must immediately be tripled…...Oh, what the hell….make that ‘quadrupled’.
And half of your workload must be dumped on Susie down the hall.
If these terms are not met by, say, noon tomorrow then you might consider possibly, maybe, perhaps, there’s a very good chance that you may march straight out the door…..and directly to that company down the street, which by the way stands ready to meet all of your expectations, and more….