By giving the President the power to ban websites, not just apps, it opens up a whole new can of worms.
Instead of targeting foreign adversaries directly, the law holds US (or offshore) internet hosting services and app stores responsible for any breaches in security or privacy.
This is a Trojan horse that could lead to censorship and control over what people access online.
It is actually more likely it gets past the Senate than the Congress. The Senate has always been the more reactionary body and the more dependable one for the neocon imperialist deep state to rely on to advance their agenda.
We already have laws like this in Europe, I think it would be very naive to believe that America is so exceptional that it won’t happen there.