I understand, and I've heard good people say that before.
If each member of their editorial board sent at least one manuscript there every other year, that alone could help raise its profile. https://nbdt.scholasticahq.com/editorial-board
I hope that over time (established in 2018) it rises on people's lists of places to publish their work. It is indexed, and it seems highly sustainable.
I kind of wish the name was a bit less awkward (but it still better than PNAS).
Konrad discusses the journal in this 2020 video (they went with "NBDT" to be broadly inclusive). https://www.crowdcast.io/c/nbdt-neurons-behavior_1