I think the Knicks have always had potential to be a real threat to Boston in a Davis trade. They have that super high draft pick, Knox, Robinson, Ntkilina, along with Kanter's big expiring contract (and they added Smith and some other big expiring contracts). Even if they made the trade right now that pick is still going to be very good, the Knicks can take some salary (like Hill) and give them some young depth (and still keep the Knicks with 1 max slot in the summer). That trade would also allow the Pelicans to truly tank by moving Holiday (whereas something like the Lakers package won't let the Pelicans truly tank).
If the Pelicans do wait and the Knicks end up with 1 (or maybe even 2), I think Davis ends up in NY and not Boston as I think the Pelicans would rather have Zion (or Barrett) and a future Dallas pick (or 2) than Tatum, Sacto,and Memphis