Subjectively I like the artwork, and I'm used to way worse ads on Windows like Bing popups when I open Chrome. In fact, that this extension has been delivering genuinely pleasant landscapes, cityscapes, animal photos etc. for many years now makes it so frustrating and jarring to get ads here too. I uninstalled it, but I doubt they care, since if they can't serve me ads how else would they extract value from me using the product.