The cost is just too expensive which is why the Austrians decided to just retire it and get more cost-effective single engine like the Gripen or F-16
Yes, I do take his tweet with a grain of salt, thats why I said 'something to consider'. Despite this, his previous tweets might have a point. PT DI could benefit and dominate more when focused and contributing more resources on more relevant projects like Drones and Medium Airlift which would have more demand and are actually dual-use platforms (Drones for surveillance, Medium Airlift of logistics during both wartime and peactime. Yes, I know we all want KFX/IFX since making jet fighters has a level of prestige I mean even I deep down also want it to still go ahead and for us to put more commitment into it, but with its uncertainty regarding our involvement, and without a certain market and demand for it (like I explained in my previous posts regarding its competitions in the 2030's), its only going to be a prestige project. At least with airlift and unmanned products, there will always be a trend and demand for it.