I agree with most of the issues the sibling commenter mentions though I haven't encountered all of them. It's a declarative language that has adopted a C/ALGOL style syntax. I find the way properties and declarations mutate and propagate quite unintuitive and I hate the boilerplate.

I haven't thought about it enough but I am a big fan of Elm's declarative graphics [1]. I think starting with something like that would be interesting.

    n1 = circle "node 1"
    n2 = square "node 2" |> outlined red
    main = graph [edge n1 n2, edge n2 n1]

[1]: https://csmith111.gitbooks.io/functional-reactive-programmin...