If the next is a fallacy, which I believe it is, would it be some kind of straw man?
A: I cannot give an opinion on this specific matter because I have no clue about the possible ramifications of the problem.
B replies (possible fallacy): People should be allowed to have an opinion, ..., I think I have the right to have an opinion and I am sorry that I think that giving an opinion enriches a conversation...
B replies from his point of view, as a personal target. However, A talked about himself.
I see two things here. On one hand, B makes absolute beautiful statements that seem sugar for others ears but does not reply to the specific case of A. On the other hand B positions himself as a victim and a target of the argument instead of his ideas.
What do you think?