It’s well known in fields of information visualization that curved flowchart connections are easier for the human eye to follow than sharp angled connections, and a default of Bezier curved device lines (with the option to revert to anged lines) would improve the visual aesthetic and clarity of the device connector grid.
Thanks!
See section “Rounded Corners Make Information Easier to Process”:
See pages 7 & 8 “Curving around obstacles”:
A more in depth study, see page 12 & 13:
http://dc.etsu.edu/cgi/viewcontent.cgi?article=1068&context=honors