Technically speaking, it won't be wrong for you to accept the gifts.
You never giving any of your employees gifts show that you gave no 'special favor' to specific employees. It's a matter of ethical belief and your personal action
But you can't control other people's ethical belief, just like you can't control other people action's
B. Evaluation
Evaluating means to systematically determine somethings merits and significance, including the seriousness or gravity of a problem.