... says the poster without using an initial capital, and using a doubled punctuation mark...
Teachers in most subjects that aren't English have, for a long time, been first actively discouraged, and more recently explicitly forbidden, from marking students down for simple errors in spelling and grammar. The student is expected to "show understanding" of their subject, and everything else is excluded.
(It's tempting to blame the National Curriculum for this, but the inconvenient truth is, the movement was under way long before then. It was already a hot topic by the late 70s, when I got to secondary school.)
Indeed.