Speaking of "impressing ignorant people," your narrow viewpoint fits right into that category, so congratulations on your underwhelming insights. :shakehead
Not that you are worth the bother, but one obvious practical use is dog walking in suburban paved areas with oncoming auto traffic, and significant populations of "punks," skunks, racoons, deer, and coyoyte. Having a far throwing but confined beam avoids endangering oncoming driver's adapted vision, or invading home owner's privacy, while precisely illuminating threatening/obnoxious wild animals at a preventable distances.
Believe it or not, most of us are actually capable of choosing various types of lights for other applications, such as hiking through wooded areas.