You shouldn't wish that people die.
Jill has a coworker she really hates named Julie who works at the desk next to hers.
Jill wants Julie to leave her alone.
Jill asks management to move her desk away from Julie so Jill can focus better on her work.
Jill tells Julie she wishes she'd just drop dead so Jill wouldn't have to listen to her anymore.
Julie decides to bug someone else now that Jill no longer sits near her.
Julie becomes afraid of Jill and goes to HR to complain, getting Jill fired.