It did not weeks to write the website, sorry if that was not clear from my original post. It took weeks to port existing JavaScript libraries into the ecosphere of the respective framework, to a point where it was indeed possible to write the website we wanted in 5 minutes.

> You can have a website up and running (not just locally, but live on the Internet) within literally 5 minutes using React and Heroku, netlify, now.sh or whatever.

Of course, I am not disputing this! But it is equally possible to have a website up in literally 5 minutes using vanilla JS + HTML + CSS and an nginx Server, without taking the dangerous bet that the framework you have chosen won't be obsolete in 2 years.