Absolutely. Morality has great value to human freedom, safety, and prosperity. Humans are social beings, and where morality is preserved they are more free, more safe, and more prosperous. People with less political power are more vulnerable to immorality; it's the vulnerable, not the powerful, who suffer.

That high ground also sets the standard for society. Some people will mock 'moral' leaders, but that leader sets the example for all. If that leader lowered their morals, the maximum, the example of what was possible, would also be lowered for all, to everyone's detriment.