For a fair start, there should be miners available for the main OS's and both AMD and Nvidia.
If conditions for a fair start can not be met, it's preferable to postpone
Fully agree with this. The launch has already been delayed once, so clearly the team is committed to a smooth start to the project.
If the team has been diligently working since August, what's another few weeks to ensure a fair distribution upon launch?

The team appears to be interested in allowing both AMD and Nvidia miners:
https://i.imgur.com/uONge8g.pngAnyone with NVIDIA or AMD graphics cards will be able to solo mine or pool mine Veil without concerns about ASICs and mining centralization.Ensuring this statement holds true from the start would be ideal.