Aldi in the states has been marketing private-labeled beers from regional craft breweries (Gordon Biersch most often) for many years.
A person's only got some much time & money to fanatical about something. You can't be nuts about everything. Are Porsches and BMWs better cars than, says, most Toyotas or Fords? Yes, but people still drive Toyotas and Fords, regarding those vehicles as mere transportation than a transcendental ride. Same thing for O'Hara's and Belfast versus Guinness and Bud. For some folks all they care about is a cheap thirst-quenching fermented beverage.