No, it isn't. Anyone who has been involved in corporate decision making knows that different teams thinking for a long time is absolutely no guarantee of a successful outcome - or even of a barely functional one.

Companies make stupid mistakes all the time. When you're in the trenches there's a certain amount of group think, and issues that may be obvious to outsiders may be invisible and/or suppressed by internal politics.

Of course Internet comments may be naive and wrong for other reasons. But that's a different question.