The problem with these devices, for the government, is that the people _might_ come back, but this time with tools designed to defeat these devices (such as gun

The problem with these devices, for the government, is that the people _might_ come back, but this time with tools designed to defeat these devices (such as guns as explosives). If that happens, it can be very bad (for both parties). Overuse of these kinds of things is...dangerous for the government