It would be helpful to explain why

[larseggert]

The server includes a connection ID of its choice in the Source
Connection ID field. This value MUST NOT be equal to the Destination
Connection ID field of the packet sent by the client.

It would be helpful to explain why

[martinthomson]

In short, this allows us to ensure that a middlebox can't spoof Retry packets.

That's a simple explanation, but to write that down is tricky because in a specification you then need to explain how the different pieces fit together to achieve this. That draws in a bunch of other bits. This includes the particulars of connection ID negotiation and the function of the connection ID transport parameters. In this case, we determined that the cost of including the justification exceeds the value.

[LPardue]

The proposed resolution was to close to with action, which was signalled to the appropriate review channel.

Hearing no pushback, I'm closing this.