Throwing a rock at a car on shabbos is standing up for shabbos and yiddishkeit, but it’s stupid all the same and a chilllul hashem.
Don’t be dolt. Nobody thinks its standing up for shabbos to throw rocks at cars. The people who do that are juvenile delinquents.
Spreading hotzaas shem ra, on the other hand, apparently some think is standing up for rationalism and frumkeit. Just sayin’