Wow I didn't realize that Signal is run on Amazon's servers and that they contract with the CIA. This article has some interesting points to mitigate the privacy concerns of this real popular service: https://simplifiedprivacy.com/signal-messenger-guide-to-avoid-privacy-mistakes/
Pretty obvious contents, strange premise and even fud'ier title....
It's not that obvious if millions of people do it. anyone can type criticism, you are not adding value