Firstly, it suggests that one shouldn't take it personally if someone doesn't like them. It encourages resilience and self-confidence, reminding individuals that their worth isn't determined by the approval of others.
Secondly, the quote uses humor to playfully challenge the notion of good taste. By implying that those who don't like you have poor taste, it encourages a lighthearted and confident response to criticism or rejection.
In essence, this statement promotes self-assuredness and the idea that not everyone will appreciate or understand you, and that's perfectly fine. It encourages embracing one's uniqueness and not seeking validation from everyone, ultimately fostering a more resilient and authentic sense of self.