Listened to Sec. of Transportation outline the "draconian" security measures which to European pax might seem like US coming into line with European norms in terms of no non-boarding persons in departure areas etc.
Might annoy Hollywood who always seem to want to have scenes where departing person accompanied almost into their seat by the person seeing them off.
Only additional time factor for airlines in Europe is a sweep of the cabin which FR probably claim they already do in the 25 minutes...