The effect of organized, subsidized invention, stimulated by tremendous incentives of profit, and encouraged by an insatiable popular appetite for change, is to set all the relations of men in violent motion, and to create overpowering problems faster than human wisdom has as yet been able to assimilate them.

human wisdom has as yet been able to assimilate them. 这里as yet用于肯定句中，是否含有“尚未”的意思？