You can see similar issues here in the US depending on the area and case. TL;DR, it's mostly due to government interference with the "market". There's so much government-regulation and union shit with hospitals that it's not really "private" health care anymore.

For example, 4-hour emergency room waits for "high priority" are entirely possible, but that's because emergency rooms are legally not allowed to turn people away, so many people (who have no intention of paying) use them for regular doctors visits; Or as my paramedic brother described to me, simply getting rides to a different part of town along with a free sandwich and hopefully some free painkillers.

You can sometimes get in for surgeries within a week, but in more high-demand areas it can become months (seems especially bad for gynecological stuff).