During this time, when we want to have a favorable judgement and a good year, lets put aside our grudges about others. It's very hard to do, yes. But it's worth it at least for our own sake.
People can sometimes be annoying. But we shouldn't let that ruin our day. We need to focus on more productive things. Life can be misrable or enjoyable depending on how we look at it.
While it's hard for us Jews to completely come together, each of us personally can make an effort to find the good in people around us and build our ahavas yisrael Shana tovah everyone