When people use "there" to mean all of them it's not so bad, as it's just laziness.
When people use "they're" when they mean "their" or "there", you can tell they're trying to use the correct one but they're too retarded to manage.
( Master Of Turnips. Only gays and morons believe in ghosts., Thu 7 May 2009, 10:07, archived)

Yes, because everybody knows that "they're" is the merging of two words
and the apostrophe substitutes the missing letters

THEY REtards
( turb0t, Thu 7 May 2009, 10:12, archived)