Q,
I hope your interpretation is correct.
The numbers available to EB2-C are partly dependent on the amount of FD from EB1. I hope that EB2-C coming to a halt is not because CO now thinks there will be less available from that source. It may also hint that there have been large numbers of new applications/porting generated for EB2-C by the continued forward movement. We don't have very good visibility on EB2-C numbers of actual approvals (either official or derived).