It's too soon to have a deep opinion on the rfc, but just looking at the examples and thinking ahead...

if folks start using this approach of leveraging a db client in their components, I hope they are embracing dependency injection (DI) somehow, otherwise their codebases are going to become stupidly complex to test.

For an example of how (React + Server Side only plugins + DI) works today, take a look at how its implemented within fusionjs https://fusionjs.com/docs/references/creating-a-plugin/depen...