Rapid change is typically superficial. The one who received the seed that fell on rocky places is the man who hears the word and at once receives it with joy. But since he has no root, he lasts only a short time. When trouble or persecution comes because of the word, he quickly falls away. The incremental process must follow rapid change or it will not last.
Incremental change is always necessary.
So the LORD stirred up the spirit of Zerubbabel and the spirit of Joshua and the spirit of the whole remnant of the people. Whatever they do and whatever they offer there is defiled. People must accept purpose and target before they will accept the strategy. Order the steps accordingly. The more details the better.