Issue with nametag visiblity

https://streamable.com/j5par6

Here is a video showing the issue.

The mob is actually nametagged, you can tell because it doesn't despawn and I cannot attempt to nametag it again, but the visiblity of the nametag is gone.

nm_squirrel_red:
  Type: PIG
  Display: ''
  Health: 16
  Damage: 0
  AIGoalSelectors:
  - clear  
  - randomstroll
  - panicWhenOnFire
  - float
  Options:
    Collidable: true
    MovementSpeed: 0.4
    Despawn: true
    PreventOtherDrops: true
    Silent: true
    PreventRenaming: false
    PreventLeashing: false
    AlwaysShowName: false
  DamageModifiers:
  - FIRE 1.2
  - FALL 0
  Skills:
  - model{model=nm_squirrel_red;n=name} @self ~onSpawn
  #- model{model=nm_squirrel_red;n=name} @self ~onLoad
  - skill{skill=nm_squirrel_red_applyLeash} @trigger ~onInteract
  - skill{skill=nm_squirrel_red_removeLeash} @trigger ~onInteract
  - skill{s=[
    - SetModelTag{mid=nm_squirrel_red;bone=name;tag=<caster.display>;v=true} 
  - sound{s=entity.rabbit.hurt;p=0.7;v=1} @self ~onDamaged
  - sound{s=entity.rabbit.death;p=0.7;v=1} @self ~onDeath
  Drops:
  - RABBIT_HIDE{name="Squirrel Hide"} 1-3 60%
  - BONE 1-2 60%

Here is the MM config. Thanks!

Meg: R3.1.7 mm: 5.2.6