This might be the post that convinces me to write a companion piece on why you probably don't need a CSS framework, either. Browser renderers have come so far since Bootstrap's peak: Flexbox has all but obviated its primary value proposition, and when CSS grids make it out of RFC, using Bootstrap for layout will be like using Backbone to do rollover styling.
Sorry, I have to disagree strongly. For starters, bootstrap provides consistent and attractive default styles. Additionally, if you implement your styles as a bootstrap theme, third party components that are written with bootstrap in mind will (usually) automatically have the correct look & feel.
Flexbox is definitely a lot nicer than the Bootstrap column system though.
Plus one for my interest. I became checked out of front-end framework developments when it started to become a big build process with a lot of dependencies, and if that can be reversed, I'd be happy to work with the DOM again.
