It's funny instead. It is just like YouTube that takes money to display your ads and asking takes money from you not to show you ads. In which ever way, money is coming. The difference is that the telegram settings above is atleast free. I am not a heavy user of Telegram, so I don't have issues with the spam and sa there.
What did you mean by it's free? that there is no restriction to who can message us?
I was talking about how we can't narrow down who can message
useus by contacts only unless we subscribe to premium. And even if we subscribe to premium to activate the setting, other premium subscribers can bypass it as well.