Do you need an all-in-one website builder if you are a professional web developer?

[kbpm001]

I know that for a lot of advanced developers, building a website on wordpress, weebly etc. doesn't count as a real web development, and there are lots of limitation in those web builders. I'm not sure if any website building company also use some website builders or CMS to build website for their customers? Or they all build from scratch by coding and using the traditional way?
Our team is developing a professional website builder currently, and we thought if we can build something that meets website building companies and professional web developers need, maybe we can help them as Wordpress helps a lot of non-foundation users. So here comes the question, as a website building company or a professional web developer, if there is a professional all-in-one website development system, what kind of function do you need most? Thanks!

[delstu]

No. All website builders create bloated code, especially CMS systems, Wordpress being among the worst. Even though CMS systems make it faster and easier to build a site some of us hate using them.

[KevinGreen234]

No. All website builders create bloated code, especially CMS systems, Wordpress being among the worst. Even though CMS systems make it faster and easier to build a site some of us hate using them.

I think you don’t need it if you are a good developer. But using it, you can build website faster.

[Billbo]

I am no pro but I have worked on quite few websites. I don't know if this really helps. But unless a site requires a lot of bells and whistles I think hand-coding a simple HTML CSS site with little js or php features is a great way to go for informational sites they are very lightweight and portable and you can keep a copy on your desktop or thumb drive. They seem to run faster and easy to get good SEO scores. thoughts?