why does every song publicly previewed have obvious ai vocals but private ones dont?

its pretty clear that preacherman, beauty and the beast and the recently publicly played snippets have an ai filter on them, however, the private party snippets that we got such as highs and lows and oh no my hoodie dont seem to have ai vocals, actually they sound pretty real

why do yall think that is? realistically i'm thinking maybe he hasnt put the filter on them yet, delusionally im hoping the album wont have ai on all the songs