You will simply pay 2.5% more in income tax up to an extra $2,085 per year. But nobody is forcing you to purchase health insurance.
Yeah, and if you don't pay that extra 2.5%, we'll take your house, your job, and your kids. But we're not forcing you to do anything. You'll just do it if you know what's good for you.
In computing, the mean time to failure keeps getting shorter.