Why still code HTML/CSS by hand in a text editor in 2019?

Could someone help me understand why web developers are *still* coding HTML and CSS by hand using a text editor in 2019 when our computing environment is so modernized that we literally drag and drop out of our way for everything else we do on our devices? Why haven't GUI front-end development environments such as Wappler, Webflow, and Pinegrow caught on? Why UNIX command line tools for web development in 2019!?

I know, I'm a dumb ignorant noob asking all these questions. Still, it is...

Why still code HTML/CSS by hand in a text editor in 2019?

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