User blog comment:ReverseZoom101/Things You Might Have Missed In The Flash-Trajectory/@comment-27823544-20160324124715/@comment-1110577-20160327114833

I don't know if it's a copyright thing or if it's WB's policies that are preventing certain aspects from showing up in these shows. Arrow was happy to crib content from Batman until WB got serious about their movies, now they're hastily trying to write those connections out of the show.