one of two reasons, they don't want to take the time to do it, or they get the two mixed up
youre question has many flaws and is ambiguous
severe cases of dyslexia can lead to that. or if youre deaf and dumb. severe cases of dyslexia can lead to that. or if youre deaf and dumb. The condition is called dysgraphia, and it causes people to reverse or missspell words. "deaf and dumb" is an insulting term. Do you mean "deaf mute" or " speech/hearing challenged"? Youre is actually "you're" and "missspell" is misspell.
Because they are mean people; henceforth mean people=mean answers!
youre out from hitting
It mean that youre very intelligiance
that youre cool
it means youre fat.
That youre a fake
youre mom
youre addicted to drugs
To be updated on what they write.
The person who told you that was criticizing you.It means that youre not that intelligent.