content: They cannot do it to all types of encryptions. Since many encryptions are open source and anyone can create it if you have the code. People would just create more open sourced software which are free from prying eyes and alternatives to govt or major corp softwares. It would just open up new business opportunities. (((They))) would try to shut down such programs and businesses though, but don't think its possible if it spreads fast enough and if the will of people is behind it.