If you’d seen the original statement in Russian, you’d realize this person has no idea what they are talking about at all, and with their job title, the purpose of it is just to present some kinda more liberal viewpoint for appearance.

And yes, it’s possible, Iran and North Korea are doing it, and there are plenty of countries with heavy censorship and regulation, and there’s a piece of good engineering advice I once got - “you get to your goal faster if you don’t pick up boss fights”, meaning that while it’s cool for a commenter on the Web to imagine them taking the hardest and most expensive path to solving the problem of censorship and control, they have different choices.