The Commission frequently obliges because the EP is stuffed full of wildly unrepresentative EU fans whose proposals are usually of the form, "Please Commission,

The Commission frequently obliges because the EP is stuffed full of wildly unrepresentative EU fans whose proposals are usually of the form, "Please Commission, award yourself more power". This article being a good case in point - they're asking the EU Commission to regulate more at the EU level. If the EP had made any serious attempt to prevent Brexit, for example by proposing to the Commission to let member states have more control over immigration, they'd simply have been ignored and thus they never both making proposals that they know would get rejected.