I wish we would be more explicit here. What political beliefs are they being de-platformed for? Is it the lower taxes? Deregulation? Immigration policy? Which specific political belief is getting them kicked off of platforms?
Is your position that there is no human opinion for which de-banking is acceptable?
If the views people espouse are illegal, then punish them via the law.
What about illegal activities outside of the law's jurisdiction?
>>If the views people espouse are illegal, then punish them via the law.
This also goes for their activities.
There is a clear difference between someone saying "I think Terrorist Group X is great" on twitter and someone using their bank account so that Terrorist Group X can buy stuff to make bombs. And even in that latter case, once the person concerned has finished their prison sentence they should still get a bank account so they can live.