By representing itself both as an open platform and as a company with progressive values, Twitter has put itself into an awkward in-between spot and is bound to create such controversies.
It's natural monopoly and highly regulated.
> online hosting
There was several hoster that ban pornography and white supremacist hosting content.
> financial providers
Templeton fired the lady that was choking her dog while calling the police because an African American man was bird watching. He also asked her to leash her dog.
It's a private company. I don't believe Trump is under a protected class to get special perks.