Normal people will, but a store or restaurant may have a policy/requirement to not use product past a "use by" date and may treat a "best before" date as a different thing.
I used to go to a deli that wouldn't sell unopened bags of potato chips past the date, though I don't remember if it was a "use by" or "best before".
Stores and restaurants should have the same requirement for both. An individual can make the decision for themselves when a bottle of milk is no longer fit for human consumption, but if you're selling it to the general public it sure as hell better be.
Normal people will, but a store or restaurant may have a policy/requirement to not use product past a "use by" date and may treat a "best before" date as a different thing.
I used to go to a deli that wouldn't sell unopened bags of potato chips past the date, though I don't remember if it was a "use by" or "best before".
and use by, literally means it wont be edible tomorrw, (or thats what it should).
best before only means a quality change, not an edibility change.
Stores and restaurants should have the same requirement for both. An individual can make the decision for themselves when a bottle of milk is no longer fit for human consumption, but if you're selling it to the general public it sure as hell better be.