Sharing a platform of components across a bundle of different bikes is nothing new – and it makes real sense, because instead of stretching budgets, manufacturers can direct their efforts into...
If price at the point of purchase is the most important factor, then China has market leverage, but they only appear to be able to compete by riding on the backs of the west's designs....so it's a huge from me.
Will their durability and quality ever surpass the western product......Possibly. At some point. I suppose it depends on whether the west lowers it's quality and originality in order to compete on price....which has been happening to some extent.