I haven't read the detailed documents from EOS either,
but what I hear from some writings is that some dominant BlockProducers can agree to stop someone's coin usage.

To me, it seems like the Propleatriat Dictatorship.

Dictators in Communism countries can do anything when they get power from the majority proletariats.

That's all I think.
If I am wrong, please let me know so that I can correct my misunderstandings.