For your point 1, that's just splitting hairs. It's in the insurer's interest to increase profits, rather than to provide care. So you just pointed out a way

For your point 1, that's just splitting hairs. It's in the insurer's interest to increase profits, rather than to provide care. So you just pointed out a way they found of increasing profits, which results in both ballooned healthcare costs and increased premiums all around. This isn't helping me get high-quality healthcare at affordable prices. For your point 2, you protect people from catastrophic losses by having a single payer: the government. Insurance is supposed to be a way of protecting people from catastrophic losses, which is why we have it for house fires, car accidents/thefts, etc. Healthcare is not about catastrophic losses in most cases, it's about ongoing care to maintain health. You getting your yearly checkup at the doctor is not a "catastrophic loss", nor is you getting an ultrasoound to check out something the doctor found to make sure it isn't something really bad. These are just ongoing care, and it isn't what insurance is designed to handle fundamentally. As for $200/month, I wish. More like $800/month.