That's not for me to say, but I reckon it has something to do with taking classic developers and developing upon either unfinished or unrealized projects or continuing with a trend that they wish to see renewed.
What makes you think that a 13 ilevel reduction on an item is a proportional 13 ilevel reduction in all the stats on that item? If you take a 277 item and reduce its stamina, str and crit budget disproportionally you could keep other stats unchanged.