It seems that you are not the boss, just a side dish. This kitchen is a little too big for a giant Buddha. Please find another job.
It is common to adjust restaurant menus according to seasonal changes. If you can't get used to it, you have to find a job done by a robot.
It is up to the chef to decide what ingredients to fry. You prepare what the chef tells you to prepare. What are you angry about?
Chefs are responsible for the tastes of consumers, so just listen. I think the chef is right. Now the green onions are really old this season, and the fried dishes are not delicious. It is necessary to change the composition. This should be decided by the chef, not you.