It's pretty clear from this Carl Sandburg quote why someone would keep shifting the discussion away, when they posted in a way that made them look bad or maybe embarrassed them.

Quote:

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“If the facts are against you, argue the law. If the law is against you, argue the facts. If the law and the facts are against you, pound the table and yell like hell”

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There's a reason why the saying is NOT "Trust me, I'm a lawyer."