Why are some stats -- like baseball's 'exit velocity' this year -- embraced more than others?

The article offers information on the increased use of exit velocity statistics in baseball in the U.S. in comparison to other statistics in 2017. Topics discussed include baseball player Aaron Judge, the views of Tom Tango, senior database architect of statistics for Major League Baseball (MLB) Advanced Media, on in; and the lack of understanding of exit velocity stats among fans.