My parents have serious anger issues

Today my dad spilled coke on the carpet and my mom scolded him so much. I'm not sure if my mom has ADHD but my dad does and she might be neurodivergent. My parents always yell and when I try to calm them down they start yelling at me. It's so tiring and even my therapist told me that they should work on themselves and not only me because I don't have anger issues anymore