> it is unreasonable to expect everyone else to do the same.

There is nothing unreasonable about it. It's not hard and people change things all the time; they change names, phone numbers, job titles, etc., and other peope remember. It's just discriminatory.

> He, and the management of Twitter at the time, should have extended tolerance to those who don't share his belief

Here is where the rules I proposed upthread apply: The only thing not to tolerate is intolerance. They only deserve tolerance if they tolerate others - it's a two-way street. (Rather than repeat the whole thing, see the comment upthread or click here: https://news.ycombinator.com/item?id=49442308 )