Why Did Tri-Jet Passenger Planes Not Become Popular?

In the 1970s, 80s, and 90s tri-jet passenger planes were a core part of many commercial airline fleets. Aircraft like the McDonnell Douglas DC-10 and MD-11 had their role as high-capacity, long-haul jets for airlines like American Airlines, Swissair, Garuda Indonesia, and more. But while twin-jets, and to a lesser extent quad-jets, have been updated and re-released as newer versions over the last few decades, why are tri-jets no longer in-production? Let’s find out.
Article link: simpleflying.com/tri-jet-pass...
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