Worse than that, access to your unencrypted dumb phone is generally not needed because it uses unencrypted SMS as the only messaging system. It is also relatively easy for the government or someone with access to the necessary equipment to intercept calls you make with it. If you can live without a phone then go for it, if you need a phone a dumb phone is your worst choice, I think the best you can do is get a device like the Cosmo Communicator and run Linux on it (not the Android that comes installed).
Worse than that, access to your unencrypted dumb phone is generally not needed because it uses unencrypted SMS as the only messaging system. It is also relatively easy for the government or someone with access to the necessary equipment to intercept calls you make with it. If you can live without a phone then go for it, if you need a phone a dumb phone is your worst choice, I think the best you can do is get a device like the Cosmo Communicator and run Linux on it (not the Android that comes installed).