Many people in prison in the US did not commit the crime they were accused of; thanks to wildly inflated sentencing, many people choose a 1-year plea bargain over a 10-15 year roll of the dice.
By all means cite %, and still does not make it a concentration camp.
Further the DAs are themselves elected locally in many jurisdictions or appointed by locally elected officials and people can vote for change if they want it.
This whataboutism really needs to stop.