There is, it is said, a time and place for everything. While I suppose this is generally true, I will suffer no grief when TV executives finally relegate reality shows to their rightful spot on Civilization’s Trophy Case of Shame, alongside Jar Jar Binks, and the Eighteenth Amendment.
Sourness in beer, however, is definitely a right place, right time phenomenon. Rodenbach Grand Cru would be a mere shell of itself without its puckering dryness, but the same acidity in your house pale ale probably points to a sanitation problem.
The Beer Judge Certification Program (BJCP) score sheet has this to say about sourness: