I am concerned about major cooperation, especially the Alphabet (Google's holding company), Amazon, Facebook, and the five companies that control 90% of the media and the CCP's leverage on these companies.
They have an immense amount of reach, too much in my opinion, but even they have their limits. If they push too hard, they will simply be bypassed. Especially something like Facebook. Facebook's strength comes from its user base, remove that, and they are essentially nothing but useless software (I'm exaggerating a bit, but the point stands). Myspace was once immensely powerful until it was not. If Facebook goes to far, the same could happen to them. There is nothing innately special about Facebook, it could be replaced. Google is a bit more tricky as their reach is far more diversified, but they too are not invulnerable.
Then there is the issue of Section 230 of the Communications Decency Act. If Social Media keeps trying to push their luck, removing them from that protection would cripple them. If they want to act as publishers, by choosing which ideas are allowed to propagate and which ones are shut down, then let them be liable for all the content on their site. They would be sued into oblivion.
The next factor is that the internet is global. To defeat the internet you would need to defeat it everywhere... and I just don't see that happening. Especially as such a small number of people with even limited amount of resources can unleash a huge amount of virtual devastation.
Lastly, there is one more truth that people often don't want to hear or acknowledge. When you push people too far, history has taught us that there is eventually only one outcome, which I say is doubly true in the US. Step on the first amendment for long enough, and the people might just resort to a second one.
Beskar has one trick. It's very hard to pierce with energy attacks. It doesn't seem to be much harder to pierce with physical attacks than ordinary steel.
Are you fully up-to-date on the Mandalorian season 2? Because that can be easily refuted.