Concepts like the Virtual DOM (a glorified dirty checker), sound cool from a marketing perspective but are not as performant as developers make them out to be.
Sadly, the Web Components specification seems to be a mess. I have hope one day it will turn out as well as ES6 did. Until native API's and specifications align more with the requirements of modern front-end development, we'll continue to see these abstractions and bastardisations of the language continue to be popular.
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