Claiming that "he may be saved", is a back handed way of saying that you have already judged him.

The man professes to be a Christian

This expresses doubt on your part.

, and I will not speak in judgement on his salvation.

Normally this goes without saying, so why have you stated it?

But his lack of discernment on this issue isn't a good sign."

This is a judgment. And you have shared it with us.

I clearly said

Yes, you clearly have.

If I recall, you are a preacher are you not?

I can not express to you the paradoxical feelings I have for people who claim to both speak for God and not do so simultaneously. One can not be humble in such a position. In a profession that concerns itself with donations and engagement, and not doctrine, and morality.

In this instance, I can think of no reason to mention his religion, or speculate on his salvation. Not even assuming he were acting in bad faith.

Assuming good faith on his part however. His own good intentions have been used against him.