Since then (probably over two weeks now) the essential contents of his
messages hasn't changed. He does not provide enough information so
that a meaningfil problem is precisely formulated

To half the people replying, yes. The other half say are overwhelmed
with what they consider to be too much content. It has been quite a
dance trying to find the right balance. As for my content not changing
in two weeks, well, reason for that is pretty clear.