It is a slippery slope argument, but wouldn't you agree that it's been proven by the past decade of events (e.g. Snowden) that we can expect governments to try

It is a slippery slope argument, but wouldn't you agree that it's been proven by the past decade of events (e.g. Snowden) that we can expect governments to try (and succeed) to abuse originally well intentioned technologies to spy on anyone?