Because most religious groups that have Sunday for their sabbath are done with their services by noon.
If nothing else, anyone who remembers the description of Pearl Harbor should be able to see a certain unspoken respect for those who choose to worship. Even if one doesn't chose to do so for himself, he can respect others who do.
Sure, banning sales on Sunday morning won't guarantee preventing a drunken sot from bothering church folks, but it's a good deterrant. That's what laws are for. We all know there are no guarantees and that's why we have deterrants.
Those two topics are related how?
"Because most religious groups that have Sunday for their sabbath are done with their services by noon.
If nothing else, anyone who remembers the description of Pearl Harbor should be able to see a certain unspoken respect for those who choose to worship."
I don't get what you're saying at all; if you buy beer or wine on Sunday morning the Japanese will drop bombs on you?
You also imply that any alcohol purchased at, say, 8:00 on a Sunday morning is going to be consumed no later than 8:01. We sometimes do grocery shopping early on a Sunday morning, and it's nice to be able to buy everything at once - not just certain categories!