PLS help it's for a quiz!

"We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable rights, that among these are
Life, Liberty, and the pursuit of Happiness - U.S. Declaration of Independence (1776)


When thinking about this quote from the Declaration, why would some people say that many of the Founding Fathers hypocrites?