. Indonesia's boundaries are the former Dutch East Indies against. Maluku was included in the territory recognised by the DUtch in 1949 (not 1950) as Indonesian. Indonesia at approx 85-88% Muslim (depending on your source) is undeniably Muslim. But yes, there are Christian-majority regions, just as there are Christian majority villages, and families. Indonesian is its national language, and yes, maybe only less than 10% spoke it as their first language but it IS an important unifier. Your points on Papua are at least in part correct, but that doesn't mean the section you quoted is incorrect