I have a colleague, developer, not a lead, with whom we work closely on the project. Generally he is reliable and people can expect help from him. I say "generally" because this help always comes with some annoying remarks or unneeded comments. Anyway, he is a member of the team and people are accepting him.
The issue is in our conversations he is very dismissive about the work of others and everyone is incompetent, no skillful people in the project, PM are slobs, etc. I'm listening all this negativity everyday for hours and I start questioning whether I'm developing the same attitude. I can feel I'm part of the team and he applies the same attitude to me, passively.
What or should I discuss this with my manager (who is also the PM)? I don't want to make a fuss since people seems to accept him, but I'm exposed much more.
We have a frequent survey what's wrong and what can be improved. In fact we are asked about feedback for the other team members but feedback is not anonymized.