I think it looks the opposite of natural, but other than the color timing change it does indeed look better than before.
Yeah I read that blu-ray.com page. I just find it somewhat suspect since it's the only one of Leone's westerns that allegedly looks like that. Once Upon a Time in The West was shot by the same cinematographer and yet doesn't feature such an intense color timing. Maybe it's also missing the yellow tint? Maybe they're all missing a yellow tint?
edit: There's also an Italian release with yet different color timing, and I think it may look the best.
The yellow tint in the American re-release just overpowers the entire picture.