[akarve]

Most SO answers were non-answers or word salads. Thankfully one of you added an answer explaining that the cursor is already straight given that it must be visible from the graphics coordinate origin (upper left) and is 45 degrees wide.

https://ux.stackexchange.com/a/149837/45927

[pavel_lishin]

Bart Gijssens's answer is neither of those things, and gives an explanation, including the historical rationale, and links to citations.

[Izkata]

...this is using wordplay to avoid answering the question. It doesn't explain anything.

Also:

> Thankfully one of you

We can see your name.