What does kind regards mean

https://english.stackexchange.com/questions/46977/difference-between-warm-regards-and-best-regards
https://www.quora.com/Why-is-‘best-regards’-or-‘kind-regards’-considered-to-be-bad-English

https://www.ldoceonline.com/dictionary/kind-regards

https://answersdrive.com/what-does-kind-regards-mean-at-the-end-of-a-letter-6729005

https://www.yourdictionary.com/kindest-regards

https://blog.udemy.com/with-best-regards/