About 70 percent of Ukraine’s population uses Telegram as their main source of news, but the government is worried that the app is being used as a method of disinformation and spying by Russia. They are trying to pivot to apps like Signal instead, but it is difficult to break the habit of such a majority of the country.
A girl can leave Russia but Russia never leaves the girl;)
How naive are you?
Even if everything you say can be assumed to be true, the risk from national security perspective is unacceptable during a time of war.