You're missing one thing: incentives. Even if Telegram has shoddy crypto, their funding model is "we got a pile of money from a billionaire". WhatsApp's fundin

You're missing one thing: incentives. Even if Telegram has shoddy crypto, their funding model is "we got a pile of money from a billionaire". WhatsApp's funding model is "senator, we run ads". Thus, WhatsApp will be incentivized to lie as far as possible about these claims, whereas Telegram could at worst be considered to be mildly incompetent.