Depends, that is how normies get Ask Jeeves toolbars.

Now the ad- and spyware just come bundled into the OS, so the main difference is that you at least have some ability to mitigate malware with root.

Interesting choice of example, since malicious browser extensions don't require admin rights to get installed.

An example, I could have picked something else, doesn't make less relevant in how normies mishandle their computers, and if being pedantic with this specific example, unless using Firefox, in what concerns Safari and Chrome installing such extensions can be disabled, at least in corporate computers.