It will be very helpful for map makers and server developers if this entity will has additional option, so it's hitbox will work as block's hitbox, a specially if player would can walk on it if required or collide with it as if it will be a regular block.

It will bring to Minecraft lots of possibilities to make some smooth interactions if combined with  display entities added in 23w06a. Lifts, doors, rafts made by data packs would blow players' minds 100%