For those affected by the blocks, Signal recommends turning on its censorship circumvention feature.
Signal is being blocked in Venezuela and Russia. The app is a popular choice for encrypted messaging and people trying to avoid government censorship, and the blocks appear to be part of a crackdown on internal dissent in both countries.
You seem to have a detailed opinion about something you hardly even used, or researched. It’s fine, you don’t have to like it and I don’t care. But I will point out mistakes.
Most people do use it for public communication only. Not in plain text. Telegram was popular even before it started circumventing anything.