What would be the ramifications if people were allowed by law to openly smoke marijuana at any public place or at any stores, restaurants, etc?

Imagine if one day that people were allowed to smoke weed anywhere even in stores and restaurants and bars where karen bosses spontaneously prohibit it for absolutely no reason, what would be the ramifications of this?
What would be the ramifications if people were allowed by law to openly smoke marijuana at any public place or at any stores, restaurants, etc?
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