There's always the network effect: if 90% of the people you want to talk to are on Telegram vs about 20% of them being on Whatsapp, then Telegram is vastly pref

There's always the network effect: if 90% of the people you want to talk to are on Telegram vs about 20% of them being on Whatsapp, then Telegram is vastly preferable. Also stickers. Custom stickers that are easy enough to set up that lots of people do.