Earlier quoted context omitted.
Traitor is obviously a loaded term, but Snowden surely broke the law and then fled the consequences. Maybe you think it's a bad law and he had good reasons, but it's not unreasonable for people to believe he should be in jail.
To add to that, he fled to a country whose legislative and political transgressions far outnumber the United States'. Which, imo, hurts his credibility as a serious seeker of justice.
Are we already witnessing the rewriting of this part of history?