Looks like it was something with Yosemite 4 years ago. https://www.macrumors.com/2014/10/22/apple-encouraging-safari-downloads/ https://www.macrumors.com/2014/

Looks like it was something with Yosemite 4 years ago. https://www.macrumors.com/2014/10/22/apple-encouraging-safari-downloads/ https://www.macrumors.com/2014/10/22/apple-encouraging-safar... Much less invasive than what this is doing but still pretty disappointing.