"even when the poster forgets to indicate clearly what he is quoting and what he isn't."
It was a single paragraph whose end quote was missing. I thought it would be understood it was a quote.
You thought wrong. The mistake was yours in not making your intention clear. How are we to know where your quote ends?
In any case, why are we not allowed to respond to points you make by quoting text from another source? If you quote something you should be prepared to defend it, not disclaim all knowledge of what you quoted as you did to me.