We can
hope Twitter adopts and enforces policies equally across the board, but they won't and I don't think they can either.
As an example of how they won't do so, consider that there are people literally organizing violent riots and destruction of property on Twitter right now, and they have not been banned or had their tweets/accounts hidden. Ilhan Omar's daughter was caught doing so herself, amplifying rioting supported by Antifa and DSA (Democratic Socialists of America), as documented in https://thepostmillennial.com/ilhan-omars-daughter-shows-sup.... While hundreds of people are inciting violence and using Twitter to organize violence in Minneapolis, the company has done nothing to stop it, and yet they're willing to block Trump's tweet on the theoretical enforcement of laws against criminal rioting? Clearly this is a discriminatory bias in action.
As for how they can't do so: Twitter is a Silicon Valley company. It mostly employs young, far left liberals. Its internal culture is heavily influenced by where it is located and the people it employs. Their Hateful Conduct Policy (https://help.twitter.com/en/rules-and-policies/hateful-condu...) is also subject to that cultural/political influence. For instance, this policy notes that "misgendering" is not allowed. But if you're on the other side of the transgender debate, and feel that pronouns should be based on biology-derived gender, and don't think trans women and biological women should be lumped into a group, then you might be banned. Put another way, Twitter has encoded political stances into their operating procedures, and there's no escaping that even if they expressed a wish to treat their customers equally across the board.
There are only two ways out. One option is that Twitter admits it is biased, that they do discriminate against certain viewpoints, and that they do exert editorial control over their platform. The other option is that they return to viewpoint neutrality, avoid censorship/blocking, and only do so to the minimal extent explicitly required by law.