Maybe we are talking cross purposes?
Are you saying that the sentence (now including 'and') would read:
If so, then what is the first clause referring to? It would seem to reply to the post before it regarding foreign students being better trained?
If it refers to personal pronoun comment after it, I'm not sure that it works.
Are you saying that the sentence (now including 'and') would read:
I would have thought that 10 years ago they would have taught you that and the 1st person personal pronoun required a capital letter.
If so, then what is the first clause referring to? It would seem to reply to the post before it regarding foreign students being better trained?
If it refers to personal pronoun comment after it, I'm not sure that it works.

