@mda: Thank you for the link. But for my understanding it doesn't really cover the aspects mentioned above.
@R_crusoe: Thank you for the tip. But is it related to any of the above issues? I don't think so.
@ Carlton Banks: Thank you, too, for your answer. "If you believe everything you've said" -> I didn't claim that any of these issues are true. It was just a brief summary of some aspects of the mentioned letter so that you (or other readers) don't necessarily need to read the original source by yourself.
I'm just doing some research to find out what is true. I would appreciate answers in the form like "No, issue d) is wrong because of ..." for example.
@R_crusoe: Thank you for the tip. But is it related to any of the above issues? I don't think so.
@ Carlton Banks: Thank you, too, for your answer. "If you believe everything you've said" -> I didn't claim that any of these issues are true. It was just a brief summary of some aspects of the mentioned letter so that you (or other readers) don't necessarily need to read the original source by yourself.
I'm just doing some research to find out what is true. I would appreciate answers in the form like "No, issue d) is wrong because of ..." for example.