This burden of taxes on an empire already devastated by the ravages of the Huns made the already unpopular favourite deeply hated. Gibbon remarks that the money involved would have more than financed any war against Attila.
The heavy taxes imposed on a weakened empire, ravaged by the Huns, turned the unpopular leader into a deeply hated figure.  According to Gibbon, the money generated could have funded a war against Attila.