Shia position on the righteous Sahaba is exactly what Imam Ali (as) said about them in Nahjul Balgha sermon 96;
“I have seen the companions of the Prophet but I do not find anyone resembling them. They began the day with dust on the hair and face (in hardship of life) and passed the night in prostration and standing in prayers. Sometimes they put down their foreheads and sometimes their cheeks. With the recollection of their resurrection it seemed as though they stood on live coal. It seemed that in between their eyes there were signs like knees of goats, resulting from long prostrations. When Allah was mentioned their eyes flowed freely till their shirt collars were drenched. They trembled for fear of punishment and hope of reward as the tree trembles on the day of stormy wind.” ref: http://www.al-islam.org/nahjul/96.htm
What have “your historians” documentated about Karbala?
Thats your personal opinion, and with all due respect, its very different from what Allah (swt) and Prophet (saww) has ordered us to do.
Are you suggesting Abdullah Ibn Zubair was same in stature to Imam Al-Hussain (as)?