So, this is an unencrypted (not end-to-end at least), intercept-ready chat network that was popular among (a) people with social status in the US, who might be

So, this is an unencrypted (not end-to-end at least), intercept-ready chat network that was popular among (a) people with social status in the US, who might be of intelligence interest (sc. Elon Musk), and (b) people in a nation state that is definitely of interest to US intelligence? Is that right?