Canadian citizens have already had their bank accounts blocked for daring to protest against their government. [1] A German citizen had her bank accounts blocked for reporting from Donbas, presumably against what the German government regarded as being the truth. The same thing happened to her father (?!). [2]
So some of the things the OP is worrying about are already happening, no “conspiracy” about it.
[1] https://www.nationalreview.com/news/canada-unlocks-vast-majo...
[2] https://yournews.com/2022/06/15/2360919/german-govt-labels-j...