I too think this needs to be addressed.
“Insisting” it be correct at the source is all very well, but it doesn’t take into account accidental errors. And video editing apps deal with mixed sample rate audio seamlessly. An editor might not even know theres a problem being sent down the line.
There’s no reason Nuendo shouldn’t be a gate keeper for us. Lawd knows there’s enough other problems for us poor post people to worry about!