The post you are reporting:
I left school in 1963 without any "O" levels and started work straight away.
It wasn't that I was unintelligent, but I didn't like school, but enjoyed learning, so went to a local "college of further education" as it was called then.
I took English (language) Maths, History, Accounts and Commerce. I am not conversant with Shakespeare or other classic literary writers, so always get those kind of related questions wrong on the Quiz Nights at Blakes (Tuesday evenings).
It's not snobbery wanting to write with decent punctuation and spelling etc, it's just that if you know something is right, you're going to write correctly, if you don't know how to spell, put as near as looks right.
The main problem is where bad/wrong punctuation can change the meaning of a sentence.
Sometimes words or punctation come out wrong because it hasn't been proof-read - I always try to proof-read my postings before hitting enter, but sometimes I miss errors.
Roger