I'm not necessarily Christian but I've been thinking about this! Heavy estrictions on the use of holiday imagery by businesses, limiting them to a much shorter holiday season. Give extra days off to people during that shorter season to make it clear that this isn't an anti Christmas measure but a Christmas stewardship measure. No real restrictions on when people decorate at home, but specific holidays for lighting and takedown could encourage people to follow suit. Similar time restrictions on holiday-related marketing should be in place for other holidays, and whichever agency enforces these measures should also be responsible for patronage of holiday events year round, including Christian, non-Christian, and secular holidays.