List all enabled products with no images in Magento 2 with this SQL query

Sometimes when you are working on a webstore, your client might ask you totally reasonable questions like how many products have no images uploaded. To answer this question is not so easy when there are 3000+ products in said shop. As the admin interface doesn't provide an easy way to check for thumbnail-less products, I had to turn to some SQL magic to answer the question.

What to watch?

Were you ever in a situation with friends or family when you decided to watch a movie together, but kept on arguing on which movie it should be? For me, this is a far too familiar situation that often spoils the mood. I blame the size of my movie backlog solely on this actually. Can't we do this without the arguing? I think we can and I created the perfect tool to help...