From the article :
“Just because you aren’t engaged in criminal activity or planning a terrorist attack doesn’t mean the government wouldn’t love to know everything about you. Environmental activists, for one of many examples, are considered in the State’s notoriously-inclusive watchlists to be as dangerous as radicals fighting for the Islamic State.
Even those who don’t consider themselves politically or otherwise active might want to consider whose eyes are peering into their lives. It’s doubtful anyone would invite a Google techie or a cop to physically sit and watch everything they do — but if you plan to use Allo, in essence, that’s precisely what you’re doing.”