This is one of those topics where there's no single right answer — it depends heavily on your values and circumstances. I'd encourage you to look at it from multiple perspectives before forming a strong opinion.

There's a difference between something being rude and something just being different from what you're used to. I try to ask myself that whenever I get annoyed by how other people do things. Usually it's just different, not wrong.

Talk to people who actually disagree with you instead of just reading things that confirm what you already believe. That's the only way I ever change my mind about anything. It's uncomfortable but worth it.

My grandmother always said the more things change, the more they stay the same. Every generation thinks the one after it is going to ruin everything, and somehow the world keeps turning. I try to keep that perspective.

The media loves to make everything sound like a huge crisis because fear sells papers and gets ratings. Take what you see on the news with a grain of salt. Most people in real life are decent and reasonable.

The cultural context matters a lot here. What's considered normal or acceptable varies enormously between different regions, generations, and social groups. There's no universal standard on this.