gosuwachu/SVGKit — comment on commit b4b96c1e8e188838fababd5cd5ed25b8ed523135
File:  line 0
By adamgit:

Looking at our project files, a typical SVG:

Number of objects: 1,500
Number that "have to be on separate layers": 1,000

So, I think that calling "detachFromParent" for each one - when we already have a working system that supplies them as separate objects - is a step backwards!