Yes, the chances of retaliation from your manager is not insignificant.
However, the experience with a good manager is always fantastic. If I don't trust my manager enough to give him negative feedback, I don't want to stay in the team. Giving negative feedback is one of the few reliable ways to discover if you have a good manager. I'd rather know than not know.
Source: Also been there and done that (and paid the price, but it was worth it).
The worst thing, though, is to put up with it. I tried it and it didn't end well either, which put me on the path of "Well if it's going to suck, it's better to be vocal than not."
Yes, the chances of retaliation from your manager is not insignificant.
However, the experience with a good manager is always fantastic. If I don't trust my manager enough to give him negative feedback, I don't want to stay in the team. Giving negative feedback is one of the few reliable ways to discover if you have a good manager. I'd rather know than not know.
Source: Also been there and done that (and paid the price, but it was worth it).
The worst thing, though, is to put up with it. I tried it and it didn't end well either, which put me on the path of "Well if it's going to suck, it's better to be vocal than not."