Just because they haven't done it for a while, doesn't mean they can't do it now. Personally, I think it would backfire on them if they did, but I still wouldn't completely rule it out.
There have been over 1000 pocket vetoes since the beginning of the country.
President || Pocket Vetoes
Donald J. Trump (2025-2029) || 0
Joseph R. Biden, Jr. (2021-2025) || 0
Donald J. Trump (2017-2021) || 0
Barack Obama (2009-2017) || 0
George W. Bush (2001-2009) || 0
William J. Clinton (1993-2001) || 1
George H. W. Bush (1989-1993) || 15
Ronald Reagan (1981-1989) || 39
Jimmy Carter (1977-1981) || 18
Gerald R. Ford (1974-1977) || 18
Richard M. Nixon (1969-1974) || 17
Lyndon B. Johnson (1963-1969) || 14
John F. Kennedy (1961-1963) || 9
Dwight D. Eisenhower (1953-1961) || 108
Harry S. Truman (1945-53) || 70
Franklin D. Roosevelt (1933-1945) || 263
Herbert Hoover (1929-1933) || 16
Calvin Coolidge (1923-1929) || 30
Warren G. Harding(1921-1923) || 1
Woodrow Wilson (1913-1921) || 11
William H. Taft (1909-1913) || 9
Theodore Roosevelt (1901-1909) || 40
William McKinley (1897-1901) || 36
Grover Cleveland (1893-1897) || 128
Benjamin Harrison (1889-1893) || 25
Grover Cleveland (1885-1889) || 110
Chester A. Arthur (1881-1885) || 8
James A. Garfield (1881) || 0
Rutherford B. Hayes (1877-1881) || 1
Ulysses S. Grant (1869-1877) || 48
Andrew Johnson (1865-1869) || 8
Abraham Lincoln (1861-1865) || 5
James Buchanan (1857-1861) || 3
Franklin Pierce (1853-1857) || 0
Millard Fillmore (1850-1853) || 0
Zachary Taylor (1849-1850) || 0
James K. Polk (1845-1849) || 1
John Tyler (1841-1845) || 4
William H. Harrison (1841) || 0
Martin Van Buren (1837-1841) || 1
Andrew Jackson (1829-1837) || 7
John Q. Adams (1825-1829) || 0
James Monroe (1817-1825) || 0
James Madison (1809-1817) || 2
Thomas Jefferson (1801-1809) || 0
John Adams (1797-1801) || 0
George Washington (1789-1797) || 0
Total || 1066
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