When core publicly supports Bitcoin SV, you should ask why. The reason could simply be to turn people against SV, as they know most BCH followers wont follow their advice. They should hate Bitcoin SV, as it scales.
It does not matter that there (today) is a software bottleneck at 22 MB. It is a miners job to find out a way to fix it. Remove the block size and simply let the incentives of the Bitcoin protocol do its magic.