Jill Filipovic is a journalist based in Washington and the author of the book "The H-Spot: The Feminist Pursuit of Happiness." Follow her on Twitter. The opinions expressed in this commentary are solely her own. View more opinion articles on CNN.

(CNN) If Donald Trump's administration has its way, millions of Americans will lose their health insurance, and the entire health care industry will be upended. Make America Great Again? This administration wants to make us sick again -- and it's no exaggeration to say that if they succeed, a great many Americans will go bankrupt; some will die.

Ever since taking office, President Trump has made it a priority to attack his predecessor's legacy. Trump appears to hate former President Barack Obama with a vigor perhaps matched only by his loathing of Hillary Clinton, the woman who beat him out in the popular vote.

Jill Filipovic

Like a petulant and implacable child still stewing over a toy he was forced to share, Trump has put all reason aside. He's not interested in improving lives or making this country better. He seeks only to destroy. The sole thing he cares to build is his own ego.

Thanks to a far-right judge in Texas who invalidated the individual mandate of the Affordable Care Act (ACA) -- the part of the law that requires most Americans to buy health insurance, keeping costs down for everyone and insuring better health outcomes -- the Trump Department of Justice is emboldened, and is now asking the Fifth Circuit Court of Appeals to wipe out the entire law.

That would mean that the millions of people who rely on the ACA for their insurance, including lower-income people benefiting from state Medicaid expansions, would be up a creek. It would also mean that the ACA's protections for everyone, including those Americans who still rely on private or employer-based insurance -- protections like the bar on considering preexisting conditions and free contraception and many other preventive care services -- would cease to exist.

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