Rag doll ... As in throw round like one

Is it right that ground control is stacking in this way?
For the damage it does, the lag it can do, stacking maledictions seems a bit much. This was from one successful owaza and 3 throw ground controls. (IE every ground control maledicted)

-31 dex from ground control
-6 strength

Spell: 'bless' modifies save vs spell by -4 for 20 hours.
Spell: 'bless' modifies hit roll by 2 for 20 hours.
Spell: 'protection from good' for 18 hours.
Song: 'canticle of the gods' modifies save vs spell by -9 for 18 hours.
Song: 'canticle of the gods' modifies hit roll by 5 for 18 hours.
Song: 'charismatic prelude' modifies charisma by 2 for 10 hours.
Skill: 'ground control' modifies dexterity by -8 for 8 hours.
Skill: 'ground control' modifies dexterity by -8 for 8 hours.
Skill: 'ground control' modifies dexterity by -7 for 7 hours.
Skill: 'kotegaeshi' modifies dexterity by -7 for 6 hours.
Skill: 'kotegaeshi' modifies strength by -7 for 6 hours.
Song: 'anthem of resistance' for 4 hours.
Skill: 'ground control' modifies dexterity by -6 for 3 hours.
Skill: 'ground control' modifies strength by -6 for 3 hours.
Skill: 'recuperate' modifies movement regeneration by 7 for 2 hours.