The trick with impeachment is you need more people on board. 50% of the House to impeach and 2/3rds of the Senate to convict.

For the 25th amendment, it starts with Vance, who takes it to the cabinet, and it only take a majority of the cabinet.

https://www.whitehouse.gov/administration/cabinet/

Scott Bessent - Secretary of the Treasury

Pam Bondi Todd Blanche - Attorney General (acting)

Doug Burgum - Secretary of the Interior

Lori Chavez-DeRemer - Secretary of Labor

Doug Collins - Secretary of Veterans Affairs

Sean Duffy - Secretary of Transportation

Tulsi Gabbard - Director of National Intelligence

Jamieson Greer - United States Trade Representative

Pete Hegseth - Secretary of War

Robert F. Kennedy, Jr. - Secretary of Health and Human Services

Kelly Loeffler - Administrator of the Small Business Administration

Howard Lutnick - Secretary of Commerce

Linda McMahon - Secretary of Education

Markwayne Mullin - Secretary of Homeland Security

John Ratcliffe - Director of the Central Intelligence Agency

Brooke Rollins - Secretary of Agriculture

Marco Rubio - Secretary of State

Scott Turner - Secretary of Housing and Urban Development

Russ Vought - Director of the Office of Management and Budget

Chris Wright - Secretary of Energy

Lee Zeldin - Administrator of the Environmental Protection Agency

So 21 people in the cabinet, 11 votes needed to remove.

So if you eliminate the obviously batshit crazy members of the cabinet:

Tulsi Gabbard - Director of National Intelligence

Pete Hegseth - Secretary of War

Robert F. Kennedy, Jr. - Secretary of Health and Human Services

Linda McMahon - Secretary of Education

That still leaves 17 rational voters and you only need 11.

Kelly Loeffler - Administrator of the Small Business Administration

Brooke Rollins - Secretary of Agriculture

Marco Rubio - Secretary of State

I could see these three backing Trump, everyone else is a wild card.