"Something" for me was one of the top 3 moments from the Wrigley Field shows. I was pleasantly shocked when the ukelele transitioned into a full on band version of the original. Good call, Paul.
However, as regards this threat it seems to prove the point that Paul (and John) had much more powerful singing voices, with a broader range. Paul obviously pulled off "Something". I can't imagine George ever pulling off an "Oh! Darling", "Twist and Shout", or "I Saw Her Standing There".
I love George's voice but recognize it for what it is: limited. A lot of George's songs are sung in a similar voice, and I don't think that's 100% by his choice. He does what he can and never professed to be a world class singer.
The ability of John and Paul to sing so differently (particularly Paul) is one of the keys to their longevity and popularity. When they got bored of how something sounded, they sang it differently, or in the voice of one of their idols. Ie, Little Richard, Elvis, Fats Domino. George couldn't pull off that kind of range, or one suspects he would have done so at least once throughout his career.