Here's my response:
I don't believe it was an error.
If Twitter was wrong about my post, why should I believe them regarding the 2020 Election results?
Bottom Line: Twitter have no moral or legal authority to censor Tweets, especially given their proven record in my case--they are either reckless, as they apparently claim...or malicious, as I believe...or both.
UPDATE:
12:42 PM Apparently even their apology is a lie: I don't have full functionality. I just tried to tweet, but got this message:
