When Oregonians praise how easy their voting system is, how painless it is, they are praising a voting system that did not have to suppress Black voters because

*other laws long ago suppressed a Black population from existing there*

Here's why Oregon has such easy voting: Black Exclusion Laws, which lasted from 1844 to 1926. It was founded to be explicitly white supremacist.
en.m.wikipedia.org/wiki/Oregon_...