Was it the decision that could cause nearly 12 million people to lose their medical insurance through his "Big Beautiful Bill?" Or maybe it was the bill's $150 billion in additional military spending? Could it have been his use of a Jewish slur when signing the bill last week?
The Norwegian Nobel Committee, which oversees perhaps the most prestigious award on Earth, has most recently awarded humanitarians and groups like the Japanese organization Nihon Hidankyo for its efforts to rid the world of nuclear weapons.
Maybe Netanyahu is a fan of the way Trump mocked a reporter with a disability in 2016, invited 9/11 denier Laura Loomer to a 9/11 memorial in 2024, or how he regularly uses social media holiday posts to bash his naysayers.

Then-presidential candidate Donald Trump mocks a reporter with a disability at a South Carolina campaign rally in 2015.

This week, Israel Prime Minister Benjamin Netanyahu wrote a letter nominating President Donald Trump for the Nobel Peace Prize.
"Foremost among these achievements was President Trump's pivotal role in facilitating the Abraham Accords."(Netanyahu is referring to a 2020 peace agreement signed by Bahrain, Israel, the United Arab Emirates, and Sudan).
"Few leaders have achieved such tangible breakthroughs to peace in such a short time," Netanyahu writes. "In these times of great historic change, I can think of no one more deserving than President Trump of the Nobel Peace Prize."
Perhaps Netanyahu was trying to keep his letter to one page, and that's why he failed to mention more of Trump's peacemaking accomplishments the committee might consider.
Netanyahu's office had not responded to a request for comment by the time of this reporting.
In May, Trump successfully ended the temporary protected status of hundreds of thousands of Cubans and Venezuelans who fled violent conditions in their countries for a better life in the U.S. Yesterday, he ended deportation protections for tens of thousands of Honduran and Nicaraguan immigrants, according to the New York Times.
Trump sanctioned Alligator Alcatraz in the middle of the inhospitable and deadly Everglades, and is encouraging other states to follow suit. In an op-ed for MSNBC, Andrea Pitzer, author of One Long Night: A Global History of Concentration Camps, urges readers to call the detention facility a "concentration camp," rather than its actual name.
"This facility's purpose fits the classic model: mass civilian detention without real trials targeting vulnerable groups for political gain based on ethnicity, race, religion or political affiliation rather than for crimes committed," Pitzer writes. "And its existence points to serious dangers ahead for the country."
Let's not forget the 800-plus jobs Trump cut in February from the National Oceanic and Atmospheric Administration, which provides critical and often life-saving weather alerts ahead of natural disasters.
Or the fact that Manhattan District Attorney Alvin L. Bragg, Jr. convicted Trump of 34 felony counts of falsifying business records, stemming from payments he made to pornstar Stormy Daniels before the 2016 election.
We may never know if quotes like "grab 'em by the pussy" will ring out in the distinguished, hallowed halls of the century-old committee — because the process after the nomination phase is a secret, according to the AP.