I don't think I'd classify MGMT as "electronica" in the strict sense of electronic dance music and its sub-genres.
MGMT is more indie/electronic/post rock/etc...
If you haven't heard trance, house, breaks, drum & bass, garage, electronica (WHICH IS A SUB GENRE, NOT AN UMBRELLA TERM) hardcore, ambient, IDM, etc.. then you should listen and notice the vast difference between what you're referring to as general EDM and the shit that just happens to have electronic instruments in its compositions.
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