And it’s included in price quoted, so not sure how it’s a scam. Worse are hotels which show a room rate and then not reveal taxes, resort fees, etc until you get to reserving. Airfares quotes show airfare, taxes, flight surcharges, airport/security fees.
You want the buy a ticket to Frankfurt or Warsaw? The airlines quote you the prices for origination and destination. The ticket price of an itinerary you’re not flying is irrelevant.