P.S. This has been going on for a very, very long time. IAC/Ask Toolbar has just been constantly tweaking itself to remain compliant (in Google’s Perceptions), by farming out responsibilities of user acquisition to 3rd party performance marketers, and then blaming the 3rd party marketers whenever Google catches them.
Here’s detailed research on their practices from 2006: https://www.benedelman.org/spyware/ask-toolbars/