I don't think these are just 'question marks'. It's pretty clear that Ferdinand Porsche was a Nazi and he supported the German war machine in a big way.
"Morally suspect" also fits the HN community pretty well. Plenty of terrible people are celebrated for their non- terrible contributions.
Even non-terrible people for their terrible contributions.
I'll just leave this[1] here as evidence. I still celebrate his work, just not his character.