That is the start :)
And if that's all you want to use Dendron for (eg. a markdown editor with better integration to vscode and git), then you can.
But if you want to expand further (eg. you now have a few hundred or few thousand notes), Dendron adds additional syntax and structure to make that manageable.
Yep. Developer tooling has been making massive strides over the last six decades, all focused on the problem of making information (aka code) easier to manage. Dendron builds on top of this and applies it notes.
But if you want to expand further (eg. you now have a few hundred or few thousand notes), Dendron adds additional syntax and structure to make that manageable.