There could be many factors contributing to this perception that people are ruder today. Some possible reasons include:

- Increased anonymity and distance in communication due to technology
- More fast-paced, stressful lifestyles
- Less emphasis on traditional manners and etiquette
- Greater polarization and tribalism in society
- Desensitization to incivility from exposure to rude behavior in media

However, it's worth noting that perceptions of declining civility may be influenced by nostalgia or not having full context of how rude people were in the past. Rudeness and disagreement have always been part of human nature and society. That said, making an effort to be more courteous and respectful to others is generally beneficial.