I think this is a perfect illustration for people that follow politics that it is easy to overestimate if something is actually saturated in the public consciousness. I knew about Project 2025 since last year, but it really has exploded in the last few weeks.
A big part of that was the Biden campaign specifically talking about it and making a website to discuss it last month. And also thanks to celebrities like Taraji Henson discussing it at the BET Awards.