One thing that makes France different from other countries is the tradition of social solidarity. People from all backgrounds and political positions are willing to contribute for services and protection of society as a whole - but on the condition that money is being spent effectively and that everyone is paying their part.
I don't know of many evangelicals who want to deny gay couples their legal rights. However most of us don't want to call it marriage because we think that word has religious connotations and we're not ready to see it used in ways that offend us.
