You’re suggesting imprisoning over 160 million people. That’s orders of magnitude higher than even the largest Holocaust estimates. It’s more than the population of Russia.
Most of these inside thoughts are not well accepted in a diverse, multicultural, professional setting so they go unspoken.
I would also argue that the desire to remove 'them' is universal because of safety or desire. I think we disagree on the criteria which is really where the factions start their battle. Do we use criteria based upon belief, genetics, or agency?
Death.
Repeat offenders, those who are violent, rape, or murder are removed forever from society. There is no reason for a rapist or thief to be permitted to murder after their 2nd 3rd, or 4th offense.
Locking away someone for a large portion of their life to deny them employment, rob them of education, limit their positive contributions, and subjecting their families to the inability to bring wholeness is unjust and unkind.