Builders just execute the works which are planned by design team. they mostly wont thought on defectiveness of design.
Also in many cases the feedback on defects is not given to design team by executors.
From your statement i do understand builders as a civil engineers, supervisors and work force which actually does the job.
To make Builders have respectable position and increase the awareness i recommend you to read following article.
When it comes to Durability of the structure, what we understand is structure is termed as durable when it can carry all load throughout its service life without failing. it means it gives the same performance till its end of design life as it perform Today. The durability of the structure is...
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If we can able to do above, we can reduce the cost of the structure and get recognition.
If you are talking about the owner of the Project, then the owner only put ideas for his dream project, the rest is done by design team. in this case builders are more recognized and have supreme powers because they make a decisions.