Surely forcing change will cause more wasted cables than maintaining the status quo.
Plus Apple uses lightning in many more products than the iPhone; so unless they're going to force companies to standardise on cables for charging set top box remote controls (for example) then it's not going to have the desired effect long term.
While we're at it, let's ban Displayport and force everyone to use HDMI. Oh, and all headphones must now connect over USB-C, as 3.5mm TRS is banned too.
Plus Apple uses lightning in many more products than the iPhone; so unless they're going to force companies to standardise on cables for charging set top box remote controls (for example) then it's not going to have the desired effect long term.