According to one of twitter’s rules on the platform , found Twitter Rules and Policies

“Abuse/harassment: You may not engage in the targeted harassment of someone, or incite other people to do so.

This includes wishing or hoping that someone experiences physical harm.

This particular tweet was clearly a tricky situation for twitter’s algorithm. It assumed that the word `die’ was wishing someone to die, but twitter should have detected that the user was Afrikaans speaking.