If you're goal is a UI with widgets for a dashboard then yes, using Bootstrap makes no sense. To be fair, if everybody took a little bit of time learning basic

If you're goal is a UI with widgets for a dashboard then yes, using Bootstrap makes no sense. To be fair, if everybody took a little bit of time learning basic CSS nobody would need bootstrap either, especially when rendering differences between modern browsers hardly exist AND the fact that bootstrap doesn't support older browsers anymore.