i'm also assuming those are uk figures, though for the us it's also worth pointing out that singles as a whole aren't that big of a deal anymore. more people just buy the album or download it for free. personally, i'm a bit of a completist so if it's a band i really like, i buy all the singles anyway.
Yeah, but U2 always likes to reach beyond their fanbase and even beyond the people who actually buy or listen to records in general. There are still radio-only people left, and I think U2 definitely reached them with Beautiful Day. I think it's arguable that U2's focus on reaching beyond those who are actually into music is why they have remained relevant while REM has nearly vanished from the radar as far as the average, not-very-interested in modern music American is concerned. But everyone knows Beautiful Day--and Vertigo nearly to the same degree because of the iPod commercial, which again reached the audience that doesn't follow music.
U2 seem to be content to just release the album this time, which may mark the beginning of their retreat from the American general public's consciousness. Unless the music is extraordinary. Fingers crossed.