Of course this is not true. - distributed vs. centralized architecture and security are not directly related. A centralized architecture with end-to-end encrypt

Of course this is not true. - distributed vs. centralized architecture and security are not directly related. A centralized architecture with end-to-end encryption can be very secure; a decentralized, non-encrypted solution can be very insecure - Telegram offers end-to-end between two parties - Telegram also offers 'channels', i.e. broadcasting. Nobody claimed that these are 100% confidential.