Yes, but that's a losing game - the manufacturers will continually tighten security until it's infeasible - see how difficult it is to jailbreak current-generation iPhones and game consoles, for instance.
The only ways out are social (consumers acting en masse to exert market pressure) or legal (regulation). You can't hack your way around this issue - as the attacker, the strong crypto that exists (and enables things like firmware signing) is not on your side.
The only ways out are social (consumers acting en masse to exert market pressure) or legal (regulation). You can't hack your way around this issue - as the attacker, the strong crypto that exists (and enables things like firmware signing) is not on your side.