the judge you are quoting literally worked in FDR's admin when they were deporting millions of Mexicans, regardless of whether they were born in the US. They didn't get due process
That judge was against the interment of Japanese Americans. He took a stand against anyone deprived of due process throughout his life.
The US came close to losing its democracy status with FDR, which is why after he died, the 22nd Amendment was quickly created - https://en.wikipedia.org/wiki/Twenty-second_Amendment_to_the...