This isn't an issue in ubuntuone-client. We don't have a cloud icon there. We have a hard disk icon with a tiny cloud emblem on it, though. The line-art cloud icon is part of the Humanity theme.
Another problem is that it has the ! in it for disconnected, which is confusing, as ! tends to denote an error of some sort requiring the user's attention. This should instead be changed to match the disconnected emblem of other panel icons.
This isn't an issue in ubuntuone-client. We don't have a cloud icon there. We have a hard disk icon with a tiny cloud emblem on it, though. The line-art cloud icon is part of the Humanity theme.
Another problem is that it has the ! in it for disconnected, which is confusing, as ! tends to denote an error of some sort requiring the user's attention. This should instead be changed to match the disconnected emblem of other panel icons.