It's elegant, nested css!!! Great mixins, variables, etc.
Because at the moment it's necessary.
Gulp is amazing! Make for your web stack! You can do anything with it!
It has tons of features, great documentation
It's the assembly of the web
It's the lesser of all of the other evils out there. Webpack makes you completely blind to how things are put together. I like gulp, this made it easy.
It's amazing! Single file components, supports pug and sass, very easy to use, very fast, light weight.
We use Vuetify because we needed something that back end devs could get up to speed with quickly