Either you pay to a service or the service trades you as an asset. Telegram is no exception. You are fooling yourself thinking that you escaped the trap.
Don't you think that Telegram has the same monetization problems (it burns "a few hundred million dollars a year" while the owner left Russia with $300m in his bank account a few years ago) and they already announced their monetization plans https://techcrunch.com/2020/12/23/telegram-to-launch-an-ad-p...
Where would you move next?