In Wooley v. Maynard SCOTUS held that NH could not require it's citizens to use a license plate displaying the state motto.
I get that HN attracts a certain amount of pedantry, but I can't figure out what exactly you're even trying to be pedantic about. There's not single comment here that could be reasonably interpreted as suggesting that "live free or die" isn't their motto
The question was “isn’t that the state with license plates that say ‘live free or die’?” And even if you get a license plate that doesn’t say it, NH is still the state with those plates