Meanings of unambiguously good in English

Why wouldn't possession of that information be unambiguously good news, Max?

Finally he had been able to do something unambiguously good with his position.

But as Ive acknowledged Monday at the WIRED25 Summit, change is rarely foreseeable-andseldom unambiguously good.

Has any invention been unambiguously good?

Indeed, British culture has never seen religious faith as an unambiguously good thing; it has seen some forms of religious faith as dangerous.

But Dadush agreed that the Chinese figures were far from unambiguously good news -even if they did point to resilient domestic demand.

For the U.S. economy, the combination of Fed tapering and overwhelming support in both houses of Congress for the budget deal is unambiguously good news.