I'm french, so i can't speak english well, i speak french but english is my tertiary language, so please stop pretending like you're so good at speaking english, everyone mistakes.
Some people are older than others and have been at school for longer. They are normally better. I'm one of the younger players of tpt and a terrible speller
People who disgust modern society's cheap way of shortening something so it is easier to type, which is a bit selfish when you think about it, compared to taking time to write something so it's easier for the recipient to read it.