On some of the key positives of native web components:
It’s not just that web components are portable. They’re also web standards, which means they’ll be around as long as web browsers. No framework can make that claim
On thinking about web components as ways to extend native HTML elements rather than create them from scratch:
HTML web components encourage a mindset of augmentation instead.
Instead of all-singing, all-dancing web components, it feels a lot more elegant to use web components to augment your existing markup with just enough extra behaviour.