Just stop.
You’ve been told multiple times, by multiple people, that this was not the case.
You’ve been provided the timeline, which you refuse to acknowledge.
You very well know that he was not provided the pricing until 8 days ago.
At this point, you continuing to say this is just being disingenuous and talking in bad faith.
What, exactly, are you getting out of this? Is unreasonably placing the blame on a single developer your way of getting your rocks off?