No. It is also possible to bring huge traffic from other platforms to YouTube and Facebook pages. You can share links with family and friends that are all over other social media platforms in order to bring traffic to your desired page. Although Telegram has many users, Twitter, Instagram and WhatsApp could be used to bring traffic on your YouTube Channel and other sites.I have heard a lot of people say that we have a platform but there are not many users on it and they teach their witr in such a way that they share their on telegram and that telegram. And the people who are on telegram play an important role in increasing one's platform by taking a small reward and also play a positive role in bringing traffic to any platform, so such people should Connect with people and increase their traffic. This will allow you to easily open up a lot of traffic to your YouTube channel or Facebook page.