Or, you know ... use cardboard and bottles.
Canned beer has become associated in the public mind with bad beer, at least in the US, but cans are a superior way to preserve and transport any kind of beer. Luckily some of the "craft beer" brands are adopting cans again and ending the stigma.
But for business its all about cost. Cheaper material, easier to control in manufacturing line, cheaper to move around.
Can it is.
Picking glass shards out of a kids sandy foot is not nice.