"Didn't you hear AquaSpider say that he leaned liberal and agreed?"
His political beliefs do not change the facts nor my perception of him being wrong that the OP made a good point.
"Let me hop onto this because I would like to give my opinion: you seem to be hinting that Trump is no different than the other bad world leaders, is that correct?"
Correct. His inconsistent response to Covid, claiming Mail-In ballots would be abused, doing nothing to prevent the supposed abuse of mail-in ballots, and his rhetoric that lead to not only Republicans losing their senate seats but the riot at the capitol on January 6th. Trump is a bad leader.
"Then perhaps they should all be treated the same."
Trump is not currently a world leader. So, they are.
"I believe we can all agree certainly that Biden has fully transitioned into being the president without argument, so now that the transition is over, Trump should be unbanned."
Why? Putin does NOT have a Twitter account. The President of Russia does. By Twitter's logic, the only way Trump can have a Twitter account is when he becomes President or a world leader of another country.
"However, if Twitter refused to do so for whatever reason they may give, they ought to prove that this is actually a rule that they take seriously and enforce it."
Twitter bans people every day who are not world leaders. Like Trump.
" For instance, if they pull the "Trump is a dictator so we banned him" card"
They never did. They suspended his Twitter account after inciting violence. After trying to supersede this suspension, it lead to his permeant banning.
"then they need to play their whole deck and ban other dictators as well."
As has been stated, Twitter has a liency polic on world leaders. Trump is no longer a world leader.
""Trump is telling misinformation so we banned him.""
Trump spread multiple instances of misinformation and was never banned.
"They are going to have to get rid of all the other conspiracy theorists as well, including Flat Earthers and radical anti-vaxxers."
They do. Hence why so-called "right-wingers" complain they are not allowed on Twitter or Facebook.
"Twitter will need to ban other corporations"
Donald Trump is not a corporation. He is a person.
Again, Trump wasn't permanently banned for causing harm. He was permanently banned for breaking Twitter's rules.