Because they're morons

Just in time for yesterday’s 218th anniversary of the completion of their heroic expedition

Someday, all this will be populated by your illiterate, stuoid, ungrateful descendants, and we will call it Montezuma's revenge

Lewis & Clark College Dropping ‘Pioneer’ Mascot Due to ‘Colonial’ Legacy

“Citing in particular remarkably low support for the mascot among current students, the report recommends that we begin the process of adopting and embracing a new mascot”

The trend of jettisoning the Pioneers name began in recent years highlighted by students renaming the student newspaper to “The Mossy Log.” The Editor-in-Chief at the time said the Pioneer name “had to go” because it upheld “the colonial legacy.” Other groups within the college also started to drop the name.