[boondaburrah]

Why would you not want the additional protection if you have to pick a colour to make the room anyways?

[mrlonglong]

Copying everything implies they do not have full understanding of what makes for a successful process.

[speed_spread]

It's possible that some level of unresolved empirical "magic" be involved in the process, which does not diminish the value of the end product. Why deprive yourself of hard learned lessons even if you don't understand it all?