It was somewhat of a rhetorical question, because they can't really do that anyway. It would have to be something that aims to more than one age group.
There already was a remake of the inbetweeners. It was an American adaptation, that was unfunny and incoherent because they just traced around the British version (characters, scripts, and plot) but took out the things that offend American audiences.
There have been a few successful remakes of British series in America though. House of Cards, Shameless, the Office. Why?
Because they took the broad outline of the story and fleshed it out with originality and clear ideas about who the characters were, rather than automatically fall back on the source material.
Francis Underwood isn't the "American version of Urquhart",
even though he is.
If you follow this pattern you can make remakes of remakes and it is still possible to have critical and commercial success.
en.m.wikipedia.org
It is the fifth filmed version of the story, which includes the original
1937 American musical, the
1954 American musical, the
1976 American musical and the
2013 Indian musical.