Scammers in Telegram, well, there are scammers without Telegram, just why position a beautiful creation like Telegram with scammers, Telegram is a multi-functional tool with the ability to create a bot and a lot of other functionality, but as the question comes to do something useful through Telegram, many say telegram and there are scammers.
To me, this is hasty generalization. There is no platform that is totally pure itself, there will always be some bad eggs on every platform, though there could be higher rate of it on telegram because of some functionalities such as BOT that permits such. Everyone has purpose of using a particular platform.