Muslims conquered most of the world, toppled 3 superpower empirers and ruled the world for centuries.
Romans, Persians, which was the third? :?
If they were anything like the white ethenocentric christion zealous, most of the world they ruled would've been Muslim or dead.
Interestingly, the second Islamic Caliphate/dynasty, the Umayyads, were racist and ethnocentric, but in a different way to Western colonialism. The Umayyads believed that Islam was for Arabs only, and actually made converting to Islam very difficult. They certainly wouldn't want to force anybody to convert to Islam, as they believed that a non-Arab that became Muslim willfully was insincere, let alone somebody who was compelled!
At the end of the Umayad's reign, only about 40% of people in the Caliphate were Muslims, whilst at the end of the Abbasids (the next dynasty) the number was near 100%. The Abbasids were the dynasty during which the Islamic golden age took place.
Now how about you stick to the topic of british and their good little deeds
Some British people do have a habit of sweeping Colonialism under the carpet with remarks such as 'the British were better than the French, at least!' and 'we brought them roads and modern infrastructure'. I don't really see why Americans would have this attitude though, opposing colonialism is part of American patriotism as America used to be a British colony.