Some say it's "...so that Trump’s son-in-law can become a multi-billionaire by developing Gaza as a resort."

https://www.paulcraigroberts.org/2025/02/02/us-to-impose-tariffs-on-canada-mexico-and-china-on-feb-1-and-tyranny-on-america/#:~:text=so%20that%20Trump%E2%80%99s%20son%2Din%2Dlaw%20can%20become%20a%20multi%2Dbillionaire%20by%20developing%20Gaza%20as%20a%20resort.