By the same logic 👇
1. If objective beauty does not exist, then nothing is actually beautiful.
2. But in reality, Sydney Sweeney is beautiful.
3. Therefore, objective beauty exists.
Sure no problem.
1. If objective morality does not exist, then nothing is actually wrong.
2. But it really is actually wrong (in an objective, stance-independent sense) to be racist and to murder people because of their skin color.
3. Therefore, objective morality exists.
Go ahead and let me know which premise you disagree with and why it’s not true.