I did not find Esther particuarly engaging, not that I was ever a fan of 'That's Life' anyway.
Nonetheless, I did find parts of the programme quite interesting for purely personal reasons. My Jewish ggf (and his christian wife) were in South Africa and Jo'burg at the same time as Barnato. When they returned to London in 1896, they lived in Sutherland Avenue.
However, I have to agree with the majority of postings that the destruction of the Warsaw ghetto was not directly relevant. There was no suggestion that other branches of the Rantzen family were still in Warsaw 80 or 90 years after her ancestors had emigrated. And after that passage of time, the old house would have been ready for destruction anyway. Esther's claim to feel survivor's guilt belittled the very real emotions felt by those that did live through and genuinely survive those times.
Justin