first of all, why didn't you just host a server instead of joining one, and what you think the definition of "constructive criticism" is, its probably wrong.
I wanted to do it on a public server so others could help or watch.
Constructive criticism is the process of offering valid and well-reasoned opinions about the work of others, usually involving both positive and negative comments, in a friendly manner rather than an oppositional one.
I provided a valid and well-reasoned opinion about his work in a negative comment, yet obviously in a friendly manner, as i clearly said i was trying to help him.