Maybe he got knocked out in a way that knocked him onto the accelerator?
We just don’t know right now.
Possible, I suppose.
That's possible, I guess.
Does anybody know where the accelerator is on a train?
It's also possible there were drugs involved or that he passed out for some medical condition.
We just dont know right now.
We also don't know that the Germanwings pilot was gay. There was speculation about that from the British tabloids, but no confirmation.
The Amtrak engineer in the 2008 Los Angeles crash was gay and texting right before the crash, but the crash wasn't deliberate.