Everyone's "creative" in the lazy sense of "having ideas". Everyone has an armful of ideas. Talk to people, and you can hear them.
I have literal piled notebooks full of ideas (at least, before I switched to text editors). The ones I haven't yet done anything with? They don't matter, because nothing has been created.
The people who actually manage more than going on about how they're "creative" are the people who pursue craft and accomplish their ideas, and that requires dedication and effort.
This conflicts with the mythology of creation as some airy, quasi-magical activity that only Special People do, but it's one of those hard truths: things you want take work.
And no, persistence is not "more attainable by everyone". It's not about plugging away mindlessly, it's about passion and dedication and improvement. These are hard things!