A law against homosexual marriage could (and would by leftists) be interpreted as an attack on the freedom rights and equality of some citizens. Right now it is a policy difference, you want to make it a criminal matter.
“Why are there no state and federal statutes “
It’s up to the individual infringed to file suit.
Nevertheless, I agree w/you. It’s up to the pres through the justice department to “go after” states and municipalities proactively.
Like obama did to AZ on the checking citizenship for drivers licenses.
I have often complained that I’d like to see a repub pres pursue 2nd ammendment violations by states.