Apple is totally sold out of inventory on many of the models and has way more orders than they can process. It is logical that they are placing limits. Have your brother try to purchase it themselves. My guess is there are limits being placed until the huge backlog is cleared. Unclear if it is being done on a per account basis as the only way to know is to try. Contact Apple specialist directly via their Apple store app or the website as they would know more info than us.
Bookmarks