Parler doesn't ban anyone but actual trolls and crazies who post porn, promote commercial content, or post vindictive or violent content. Pretty much the same TOS as most other platforms.

There’s nothing wrong with enabling a platform which is overtly political. If I want to start a libertarian-only dating site...why not?

There is everything wrong with enabling a platform which actively supports violence.

> It’s an overtly political platform and clearly for a particular political ideology.

You could say exactly the same for Twitter (remember the Hunter Biden laptop story? Of no you don't, because it was censored there), or even Google which clearly de-prioritizes search results based on their ideologies.