Earlier quoted context omitted.
That is only happening thanks to the way US view on the world has changed, and the remote kill switch used against Ukrainian jets. US has killed the allies trust. Had these two events not happened, and most likely sales would not have been cancelled regardless of the F-35 issues.
No such kill switch exists, the US stopped providing electronic warfare intelligence that made the jets more survivable. The stoppage of all military aid was significantly more damaging.
Whether actual kill switches exist is unknown. But if you were a European country, would you take the chance of buying fighters from a country threatening to invade multiple of your allies based on their assurance that the rumors about kill switches are nothing but unsubstantiated rumors?