That seems to be regional.
Perhaps there’s some interprovincial barriers that we’re not aware of.
Growing up on the west coast, real maple syrup was a luxury.
Where we are now in Eastern Ontario, we buy it by the litre or even by the case. Our teens pour it freely all over their plates.
We use the medium or amber at the table, and the darkest we can get for baking.
I think that may be US labeling still in use in Vermont and New York.
Canadian maple syrup hasn’t been graded that way for some time. We’re in a syrup producing region and get it locally from producers.