Everyone can’t fix themselves
Of course Lexapro has made life better for many people. It has the potential to help people who can help themselves or get help from others. Help means therapy, activities, mental exercises, etc which result in an better ability to deal with stress. That can build into a possibility of tapering off the medication, although probably better just to stay on it or a lower dose.
What does Lexapro not do? It does not fix anything. It mostly masks anxiety. It slowly "rewires" the brain to the benefit or detriment of the patient depending on their other therapy writ large. Positive results will come from positive relationships and activities. Negative results from the opposite.