> Sponsored messages on Telegram are displayed in large public one-to-many channels with 1000+ subscribers and are limited to 160 characters. Sponsored Messages are based solely on the topic of the public channels in which they are shown.
It's a stretch to define Telegram as "ruined by ads"; this policy seems a reasonable compromise to monetize the product. The "famous competitor"'s way of monetizing is considerably more harmful, IMO.
