He's lying because Project 2025 is massively unpopular.
It was written by over 100 of his former staffers, led by a guy he travels and hangs around with and whose book JD Vance wrote a forward for. Trump's even on video talking about it at a Heritage Foundation event, referring to a team that's working on plans for his 2nd term (the HF led the writing of Project 2025).
https://rumble.com/v11w4eo-donald-j...ndation-annual-leadership-conference-421.html
At around 20 mins, he says that Heritage Foundation President Kevin Roberts and others are "going to work on some other things that are going to be very exciting, I think, Kevin, I think maybe the most exciting of all." And then at around 41 mins he refers to the HF's plans as a "colossal mandate" and says it will "lay the groundwork for exactly what our movement will do" in order to "save America".
"But this is a great group. And they're going to lay the groundwork and detail plans for exactly what our movement will do and what your movement will do when the American people give us a colossal mandate to save America and that's coming. That's coming. Because nobody can stand what's happening right now. Only a fool, only a fool or somebody that hates our country can like what's happening right now. Never
So been in this position before and already we know a very big part of our agenda."