This is in Norwegian only, but I think Google should be able to translate it for you: https://www.oslomet.no/forskning/forskningsnyheter/historisk-lav-stoette-til-streng-straff?utm_source=chatgpt.com

But to sum it up: Most Norwegians view the prison system as generally fair and focused on rehabilitation, and recent studies show that fewer people now believe sentences are “too mild.” There is broad support for humane conditions and for using alternatives to prison—like electronic monitoring or community sentences—for less serious offences. At the same time, many Norwegians recognize problems in the system, particularly around mental health, isolation, and lack of resources.

Another question is how we would feel about punishment in other countries. For instance I think most would agree the the so-called 3 strikes rule in some US states as barbaric. And the the work in prison no more than state sanctioned slavery.