I can understand him
I am sure he got bombarded with mails asking for free support, when all the information could be found in the docs. For a while it is fun to teach to people but you ultimately get tired with feeding users with the spoon, tying their shoelaces every morning etc ..
As a developer, the thing you hope for is intelligent exchange with people who have come to understand your program very deeply, and giving you some new insight into the heart of the problem. You might even hope for someone offering help. Unfortunately all that is rare, very rare.
Sad.
GE