There are enough ambulances to cover legitimate needs. Why then waste money by using ambulances to transport people who would be just fine in a Lyft? That money could be better spent on actual patient care. No matter how much money you're willing to spend on healthcare, using it efficiently is always better than wasting it.
> what kind of ambulances should be used should be up to medical professionals, not yourself
Having medical professionals decide whether an ambulance is appropriate, instead of patients, is one of the main things the article is slamming Tesla for doing.