It wasn’t only the conspirators - their families were also treated as traitors.
My father-in-law became a judge in Berlin after WWII and was able to restore von Stauffenberg’s widow’s pension for her husband’s service. It wasn’t popular.
Of course, while Hitler lived. Merkel said they were treated as traitors for decades which is untrue.
It took a Generation to totally De-Nazify Germany after the War.
Oskar Schindler said when he returned to Germany after the war, that the Germans openly scorned him for what he did, he couldn’t live in Germany because of it.