Despite common belief, these rare and kindly creatures are meant to serve as positive symbols, especially when the themes of death and calamity become more prominent in the story.

Source: https://gamerant.com/harry-potter-thestrals-explained/

With that said, it sounds like there is a common belief that the are zeroing in on one of the top defensive prospects this year.

Source: https://brobible.com/sports/article/nfl-draft-rumors-lions-top-prospect/