You don’t have to like what happens in order to make good use of it. You do, however, have to accept it.
You don’t have to like the way things are. Yet to be successful you must deal with the way things are.
Thinking about what should be and what should not be is a powerful way to formulate goals. But don’t use that thinking to come up with excuses and resentments.
You cannot be effective trying to deal with the world as you wish it would be. You must operate in the world that is, as it is.
Aim high, seek to make a positive difference, go forward with the best of expectations. Yes, you absolutely can change things, and to do so you must start with the way things actually are.
See real, get real, be real, accept the reality of the day. Then you can do the work to effectively push reality in the direction you choose.