The plaintiffs entrusted their responsible teenage children at home and only requested the MIL to provide dinner, without asking or expecting her to stay. The plaintiffs are adults who are entitled to enjoy their evening without constantly reporting their whereabouts. The MIL's overreaction and angry confrontation in their home are unwarranted and disrespectful.
The plaintiffs' casual attitude towards their MIL's potential concern is telling. They enjoyed a carefree evening, neglecting to consider that their MIL might worry about their late return. This is not just about providing dinner; it's about basic consideration and communication, which they clearly lacked, prioritizing their fun over familial respect.
The plaintiffs bear some responsibility for not communicating their change of plans, especially knowing the MIL was providing a service for their children. However, the MIL's overbearing reaction and confrontational behavior in the plaintiffs' home are disproportionate. The MIL's expectation of constant updates, despite not being asked to stay, is unreasonable.