You are a good researcher, but sometimes you think you really know too much. TEI is the 5th largest engine subcontractor in the world, and the remaining 4 directly west block (GE-PW - RR - Safran and its affiliates) earns an annual revenue of 5 billion dollars only from parts, including LEAP engines. TEI has developed high-life turboshaft in 3 years by using the technologies that you are promoting as "strict rules" today, so not everything happens with classical ideas. You can easily be rejected in cheap and non-American disputes, but if you are a supplier that can affect global flight ticket prices by up to 10%, your partner's lobbies come into play. TEI's 4-year profit coincides with the development budget of your awesome uber super KFX, so I suggest you give more complicated examples from Israel, at least while exemplifying.