In terms of what was said within the article, I'm kind of "eh, meh" about what was said, even by Satoshi Hashimoto. e.x.: How avid Lolitas shouldn't wear more than one brand at a time, that it doesn't permit the mixing of Lolita brands? It doesn't make much sense. I'd understand if he said that "Lolitas doesn't really mix brands in general", but it seems like these were some unspoken rules, since I see many lolita snaps involving 3 or more brands being mixed up in different ways.
This "choi lolita" (wearing lolita in regular outfits, nothing new) isn't caused by the formality as much as I think the economic situation itself. Mixing lolita with other more normal styles have always been seen in Kera and the like, and now that the whole "mori-girl" trend is popular, a lot of brands accommodate to that look as well. Dunno, but to me it's really nothing new. It's not lolita for the fact that it is putting lolita items with your normal outfit, rather than taking elements of your style into your lolita outfit, but it's nothing that haven't been talked about or done before o3o