There must be some demographic which cares. I've personally only seen people amused by it.
So for general internet usage, I think it's fine. We're not modelling the internet after German customs after all.
Using it as in a vanity domain like we do with .me or .io, on the other hand, will definitely look weird.
1) hmm, they have .kz as the TLD
2) apparently thats kazakhstan? TIL
3) kinda weird that they, not being from kazakhstan, would choose to have that as their TLD. Maybe they're using it with another meaning in mind.
3.5) Let's give them the benefit of the doubt but remain wary of potential secret nazis, as one has to, here.
Doesn't mean that prisoners were expected to be well treated in a concentration camp (typically just well enough to be productive as a slave), but they were not directly sent to the gas chambers.