It is common among people who still play bw to have bought 2-4 copies of the game over ~15 years as discs and keys get lost. What's one more copy at this point?

It is common among people who still play bw to have bought 2-4 copies of the game over ~15 years as discs and keys get lost. What's one more copy at this point? :) I hope it will at least have tie-in content for other Blizzard games, though.