This is a very good point. However, nothing can protect you against a NSA-level adversary. Signal is designed to protect you against Google or Facebook.https://twitter.com/RealSexyCyborg/status/1347455529241612294 …
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It's an adversary with unknown capabilities and 10B yearly budget. You can replace NSA with any other infinite-resource adversary. I.E. Signal is not invulnerable to exploits.
if you're a ‘person of interest’ for any of a number of agencies, you're screwed. even if you're not in the Internet. but in most cases, this is just a search for a good tool against a resource & time-bounded adversary.
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