tag @e[name=DayQ,tag=!NoGriefer] add NoGriefTag
tag @e[name=DayQ,tag=NoGriefer] add YesGriefTag
tag @e[name=DayQ,tag=NoGriefer,tag=YesGriefTag] remove NoGriefer
tag @e[name=DayQ,tag=!NoGriefer,tag=NoGriefTag] add NoGriefer
execute as @s if entity @e[name=DayQ,type=armor_stand,tag=!NoGriefer] run tellraw @s ["",{"text":"Tracker(named 'Grief' in-game) zombies are now ","color":"yellow"},{"text":"ON. Proceed with caution.","color":"red"}]
execute as @s if entity @e[name=DayQ,type=armor_stand,tag=NoGriefer] run tellraw @s ["",{"text":"Tracker(named 'Grief' in-game) zombies are now ","color":"yellow"},{"text":"OFF.","color":"green"}]
tag @e[name=DayQ] remove YesGriefTag
tag @e[name=DayQ] remove NoGriefTag