These (mass surveillance) programs go back to 60s, and it was already prevalent before internet was widespread, also internet was also under blanket surveillance way before. Moreover, this is not only limited to internet per se. Phone calls and any form of unencrypted communications are probably actively monitored for signals intelligence. We're not seeing laws related to this, because mechanisms are probably already in place.

So, I'm keeping my stance of "They want their tools back, because they had them before".