In an organization/company, favoritism bleeds through like a permanent marker on wide-ruled notebook paper from the Dollar Tree.
I’m not saying don’t be compassionate as a leader. I actually advise that you are. But be compassionate across the board.
I’m not saying be compassionate as a leader. I don’t advise that you lack compassion. But be cold hearted across the board.
Showing one favor without granting it to another is the best way to build resentment among the ranks. And people who resent you will not do their best work for you.
Make professional development a priority.