Is this grammatically correct? What does it mean and can it be rephrased? “I’ve meticulously gone through the chats you guys had when I was away, and I must say, majority of the messages are toxic. But if Peter had explained to the persons concerned, the

Yes, the sentence is grammatically correct. It means that the speaker has carefully reviewed chat conversations that took place in their absence and found that most of the messages were harmful or negative. The speaker suggests that if a person named Peter had communicated more effectively with those involved, the situation would not have worsened. The speaker concludes with a plea for improvement in behavior or communication in the future. Here’s a rephrased version: "I’ve carefully examined the conversations you all had while I was gone, and I have to say that most of the messages are quite toxic. If Peter had communicated better with the relevant individuals, the situation might not have escalated. Let's strive to do better moving forward."