If you’re confounded by all the weeping and wailing over the announcement that the members of K-pop group BTS will be rendering military service, you’re showing your age. The development will mean that the mostly youthful fans of the South Korean global megastars will be missing the performances of their idols for about two years – the period that all able-bodied men aged 18 to 28 in that country must render military service. I know young Filipinos who save their monthly pay to watch BTS concerts overseas. The fans were crestfallen when it was announced recently that the seven band members wou…