It seems a reasonable suggestion to me — there are plenty of other places if it's so intolerable to stay here racked with vicarious guilt for the iniquities of some of your ancestors. You say Lizzie is picking & choosing — so are all of you who insist on picking & choosing, e.g., the slavers over Wilberforce.

I am reminded of the Lord High Executioner's 'little list' in W S Gilbert's The Mikado, of 'society offenders who'd be bettr underground, and never would be missed'; which included "The idiot who praises with enthusiastic tone All centuries but this and every country but his own".