Dear @Karena_Lin,
Welcome to the community.
I completely agree with your points.
That is why i and others have already raised these issues and ideas in other post. Have you already seen this post maybe:
And most recently here:
And other places. We would love to hear your input in these threads 
We are a group of people in this community who are doing what we can to convince Asana to up their game in project management
/Peter
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