Popular amongst old people

Hello all, can someone please tell me why these brands / liquors are so damn popular amongst the boomer / silent generation?

Brands include but are not limited to: Crown russe Barton vodka Gordon’s vodka Seagrams gin Gordon’s gin Seagrams vo Canadian club Canadian mist Canadian ltd Vermouth Port / Sherry wine

Every single older person is buying large quantities of these at one time. What the hell are they doing with all of it???