But have you heard anyone _talk_ about it? It's common knowledge that the industrial revolution was mills and steam engines and mechanization. In my experience almost no one knows about the other piece of the textile industry that drove industrialization.
It's not hidden, but I don't think it's commonly known.
But yeah, that entire IG Farben episode might have toned down their enthusiasm for identifying with dyes a little. Same for their peers up and down the Rhine.