Removing links to other platforms is anti-competitive full stop. Threatening de-verification due to links is even worse. This is the behavior of monopolists. The FTC and existing anti-trust organizations would do well to return to their jobs and take a look at these practices broadly across the tech industry.
Isn't instagram participation voluntary and free of charge? Monopoly over what? Everyone is free to move to another platform or start his own.
If you want distribution of your thoughts, you have to use the walled garden controlled by giants.
> Everyone is free to move to another platform or start his own.
The reality is that you can't. Not without billions of dollars of funding.
Social networks should be regulated. They can't own the platform and make moves to crush others by threatening to downgrade your voice and participation.