Is there any discussion as to why he didn't just switch to a cheaper (older) insulin? Last time I checked, it was still possible to get the older (R/N/L) insulins at around $25/bottle, over the counter.
Patient education is a necessary step to decreasing prices and encouraging innovative medications at the same time. As is decreasing the inevitable fury at diabetics like myself who dare to look inward.
This is a classic case when some ridiculous example, where it's clearly patient's fault, is presented as the fault of the system.
Blood glucose levels are really hard to get right with old insulin. Literally everything you do pushes your blood sugar demand up or down (sleep, stress, activity, macronutrient load/timing).
Modern insulin analogs tent to smooth out these variables.