Meta’s fintech ambitions have failed to take off in India — the company’s largest market, with over 500 million WhatsApp users. When WhatsApp first began testing payments in India back in 2018, local players braced for disruption. The app’s massive reach — 400 million users at the time — raised fears it could wipe out competitors. But Indian regulators quickly stepped in, insisting WhatsApp store user data in the country and keep it separate from Facebook. The regulators also capped WhatsApp Pay...