The internet is facilitated by your internet service provider, a private company, connecting you to a number of privately owned servers around the world, none of which are obliged to honour your constitutional freedoms. Bills of rights are only applicable to government owned spaces. No one is stopping you from preaching on the sidewalk or public park. I mean, yeah, in Australia they are stopping you, but that's just temporary, like income tax.
Good point to some degree...except I fully disagree with your last sentence. The pandemic has been an excuse to take away most liberties. Most people think it's temporary but I think they are definitely abusing the system and it will eventually get worse.
They are making us used to the idea of being mandated to do things, turning most of society against each other. The vax isn't 100% safe, yet the people are being mandated to take it, not giving the anti v people the benefit of the doubt.
Meanwhile....
...sport stadia are full of people without masks. If those people are so afraid of the unv*xed, why would they risk letting people being so tightly squeezed in? If sport stadiums are so full, surely it's a massive risk if the virus is so dangerous. If not, mandates are not needed because people in fear of the virus are vaxed and have nothing to fear. They cannot have sport stadiums full AND mandate v's. It doesn't make sense to do so.
Back to the internet:
They know people are starving and losing basic rights if they don't use the internet the way they want them to. For example children in some countries need to register online to go to school. So the masses without proper internet access cannot even apply via walk ins. So the basic right to education is only a right on their terms (obviously having made monetary deals with service providers in the process). Just one of many examples.
The banks are forcing people to use bio metrics on their "safe" servers (linked to government databases) only then to leak hundreds of thousands of people's very private information to hackers.