PHI came in handy for us. My wife needs to have a procedure. Thru the public health system, It would take a wait time of 6-8 months. It was not life-threatening but I can't let my wife (or any of my family members) to suffer while waiting for the procedure. Thru public health care, you can't choose the doctor as well.
We also use our PHI for our dental needs. We got orthodontic cover so it paid for my son's braces too. I felt bad for some fellow kabayans who would rather bear the pain of having a toothache than see a dentist. Dental services for adults are a bit expensive without PHI. Also, another reason, is they would rather go to the Philippines for dental services which is cheaper.
For me, its about priorities. The same kabayan have his family on the latest iPhone/iWatch/air pods that are available and I am still on my trusty Galaxy S6.