Without being an old curmudgeon, it does make you wonder in this day and age of spell checks, grammar checks, easy access to an on line Dictionary and Thesaurus etc why these obvious mistakes are out there.
We have an Aussie Comedian who tells a great joke to which I was going to post a link but I do not want to possibly offend due to some of the subject matter and language so I will try and share in my own words.
In Australia we have road signs 'Koalas Crossing 4-6pm' .. as he mentions; very precise Koalas who can tell time?
Or, there is the 'Injured Wildlife Call this number' sign.
"Hello, I am a Kangaroo and some idiot just ran me over!"