REQUEST: confirmation message for moving files

I only wanted to draw your attention to the fact that you are not left alone by MP3tag.
You do not have to remember what you just selected - the information is right there, you only have to notice it.
So, actually, MP3tag tries to help you. And this help is already there.
Adding further help, on the other hand, might not add to the user-friendliness but actually have the opposite effect.
And, with routine setting in, I fear that once you get used to that extra message box, you hit Return or click OK without further registering the message in the message box.
But for other user, who do read the dialogues thoroughly, for them the extra message box is probably a nuisance and leads to the opposite impression, that of utter user-un-friendliness.

The usual idea to add another option might also not be the optimum solution as there are some users who are

We'll see what the future brings.