Did Microsoft effectively abandon Microsoft Academic Search to autopilot, sometime last year?

“an unexpected and unnoticed discovery: Microsoft Academic Search is outdated since 2013 … the second part of the working paper aims at advancing some data demonstrating this lack of update. … The data shows an abrupt drop in the number of documents indexed [per year?] from 2,346,228 in 2010 to 8,147 in 2013 and 802 in 2014.”