Johor workers (25-45, RM3k-8k income) gain most from RTS fares (~RM5-15 roundtrip). Singaporeans (day-trippers) enjoy leisure perks but less routinely. e-ART revives cancelled IRDA BRT corridors (Skudai-Tebrau-Iskandar Puteri) elevated for RTS feeders. Fares decide adoption.