MapQuest did nothing wrong in this example. The problem is the fake sites that are taking the top spot in search results above the legitimate MapQuest link when you search Google for MapQuest, and Google refuses to delist them. And of course, Google lets people buy ads for other companies' trademarks, which is a whole different ball of issues.
(MapQuest is a popular one for malicious sites to pretend to be because most of the people searching for it are seniors... they heard about it twenty years ago and then never moved on from searching for it when they want directions somewhere.)
The moment someone points out Google makes a huge amount of money on scams and malware, and due to Section 230, can't really be held responsible for it.
Fining Google doesn't help the problem there, you would want to work with Google to find out who made the deceptive ad and deal with them so they can't continue on to hurt more people
(MapQuest is a popular one for malicious sites to pretend to be because most of the people searching for it are seniors... they heard about it twenty years ago and then never moved on from searching for it when they want directions somewhere.)