"Here's the thing. Everybody asks me, 'When are you gonna make another game like Deus Ex?' And [With Epic Mickey 2], I am! From a structural standpoint, from an underlying design philosophy standpoint, the directives I give the design team, it's the same." - Warren Spector

Spector also goes into why people don't accept his comparison of the two. They continue to ask him when he'll make another game in the style of Deus Ex. In the link below, he details what he thinks people are really asking with this question.