Mistress Gaia wanted to humiliate this guy and she did it because he was lazy. She felt that she had to do something crazy to him for him to change and that is why she chose to use her dominant tickling to do it. It worked out the way she wanted and he was degraded as well as humiliated by all that she did to him. He stopped his laziness as she promised something worse than that.
When these mistresses noticed that their friend was giving them the silent treatment, they had to do make sure that she did not do it again. The mistresses forced their friend to endure tickling and she laughed until she begged them for mercy. It did not take long for the tickling to be painful and she had to beg them to stop it as she was in pain. She also peed herself.