The totalitarianism has already happened in the past to some extent.
Franklin Delano Roosevelt was such a popular president that he was re-elected three times, so we changed the Constitution so that nobody could ever be president for more than ten years again.
Even so, since the terrorist attacks on September 11, 2001, the government has in the name of "safety" and "fighting terrorism" seriously curtailed the freedom of its citizens.
I would state Benjamin Franklin's quote but Tesla already did that, however I should add this gem of a quote I found on the Wikipedia article about apathy here, because it holds a lot of truth:
US educational philosopher Robert Maynard Hutchins summarized the concerns about political indifference when he claimed that the "death of democracy is not likely to be an assassination from ambush. It will be a slow extinction from apathy, indifference, and undernourishment."
This quote alone should be sufficient for anyone to understand the implications of apathy towards a system slowly eroding democracy, freedoms and privacy away. In this case all these totalitarian laws are under false pretenses of 'security' and 'anti-terrorism', are actually targeting critics of the government more than anyone else when you analyze them closely; so the government can continue to get away with their increasing restrictions with minimal resistance, easily branding those defying them as 'terrorists' or declare them 'crazy' if they overstep a certain threshold. For instance, they can just brand me a paranoid retard to smear my reputation, and worse of all, most people would be ignorant enough to let natural prejudice of judging the messenger overwhelm their common sense to judge the message being said.
To address another thing, those who ignorantly say during these times, "If you got nothing to hide, why worry?" fail to see the ramifications of what power this grants to the government, this phase is the equivalent of saying, "We submit ourselves to our masters and as long as we do what they say, we're fine", apathetic slave mentality basically. But then the questions begged to be asked is that, "How far will they go with these so-called security measures? To a point where you own nothing privately? To a point where even saying one wrong word or expressing a thought crime is grounds for arrest, or worse execution? How far before people wake up and realize that they've lost too many of their rights?"
You see, apathy towards governments, politics and policies is extremely dangerous, the people should always keep a leash on their representatives and leaders, never the other way around.