It’s not just information age, but also freedom of speech. Many people in regimes without free speech sincerely believe that there is no crime (except by people corrupted by other countries), no drug abuse, etc., simply because they can never read about it in the newspapers. So when the regime later changes, they will believe that things got worse, because now they can read about all the bad stuff (and of course some politicians will use this bias to say “this wasn’t happening before when we had the power, so… vote for us again”).
It’s not just information age, but also freedom of speech. Many people in regimes without free speech sincerely believe that there is no crime (except by people corrupted by other countries), no drug abuse, etc., simply because they can never read about it in the newspapers. So when the regime later changes, they will believe that things got worse, because now they can read about all the bad stuff (and of course some politicians will use this bias to say “this wasn’t happening before when we had the power, so… vote for us again”).