Web Components trade-offs
Before we begin talking about the trade-offs, let's look at the desired state, why someone should use Web Components and what benefits it provides. This standard allows you to create framework-independent UI components. Instead of re-inventing the same concept of UI component for every framework, there could be a universal solution using Web Components standard. They will also be more simple and lightweight, as the API is already built into browsers and you do not need to load additional runtime to your web page.
Web Components are defined as custom HTML elements where you can attach your custom behavior. You do not need to learn additional proprietary framework conventions, as you can think about using Web Component same way as you would use
Now let's check how these expectations match with the real state.