said it elsewhere but Telegram was started on the basis of making a technically powerful chat program, with the whole open philosophy that's going along with it. It goes with that that having an open client and the like is in line with the objectives of the company
LINE and WhatsApp were started on the basis of making a useful chat program for the masses. Usability for those on FF OS is not part of their core principles.
Just curious - I remember some debate here about Telegram bug bounty from a while ago, other than that haven't seen any good/bad press about it. Why is it bad counter-example?
It's a client that explicitly about security and openness, so a lot of things are going to be "self-evidently" supported. The objective is to make a good client
The objective of clients like LINE and WhatsApp are to make good chat for the masses. This can come at various technical costs, because that's not their objective, whereas Telegram is , at its core, about technology.