Well, it was actually quite good! And now that I've looked into it I see that it is really kind of like a pizza in that you can add anything really. Now that makes me particularly partial to it. And I can see not even using avocados. Just get creative with a toasted open face sandwich.
Our version had a bit of lemon juice and rind in the ricotta cheese topping...quite yummy.
Here are some variations.
https://www.thekitchn.com/11-easy-ways-to-fancy-up-your-avocado-toast-219143