Comment by enzanki_ars

A lot of Republican voters are farm owners [1], and this law is something many owners of trailers, such as John Deer, have been pushing for [2].

[1] Only good source I can find. (Mostly sourced from observation.) http://verdantlabs.com/politics_of_professions/

[2] https://www.wired.com/2015/04/dmca-ownership-john-deere/