The article suggests that if VPNs are banned, businesses will have to find other ways to secure their connections and that would be expensive. But it's not even clear that anything could do that job without, by that very fact, counting as a VPN according to this bill and/or others like it. Effectively, they're proposing an end to all securely tunnelled connections across the internet, and that would just make the internet useless for a lot of things businesses (and the rest of us) need to do.