It will almost always hide information, whereas it’s likely that there will be less information on the top right, even with a full-width table (because the text is aligned to the left; RTL languages needs to be considered):
The reason this button only shows on hover is so the text can be easily readable unless you are wanting to go in and edit it. I don’t think any change is required here.
That’s right, but isn’t less likely to hide text to the right most of the time?
Plus, most of posts interactive elements are aligned to the right: the share link, the revision history, all the posts’ actions (like, reply, edit, etc.),
the copy button from the blockquote: