This means no sales, no themed merchandise, no decorations. December 25 and most other day are treated just like any other day for all stores malls, restaurants, ect.
You’d still get non religious holiday events like mothers days, or independence days.
What whould change?
Disagree. Christians hate the fact that Christmas is so commercialised. Although they would probably still be mad anyways.
Keyword here is conservative. They got mad when Starbucks stopped putting Christmas patterns on their cups.