The larger problem here is that many technology companies have become virtual monopolies. If you can be deplatformed from Youtube + Facebook + Twitter then you will not be heard at all. Afterward, your political opponents can go online on these platforms and call you a 'Nazi' a million times. At this point, what Joseph Goebbels said applies: 'If you tell a lie big enough and keep repeating it, people will eventually come to believe it'[1]. This causes even more platforms to deplatform you and eventually, it becomes a cycle.
The core of the problem is that these companies are too big, too influential. They must be broken up