Google Tests Similar Look Ad Unit That Could Be Mistaken for Organic Listing

Last week we saw a Showcase Shopping Ad that looked to mimic organic listings and now here is another one. When you click on a Product Listing Ads and go back to the SERP Google might start showing another unit called Similar Look, to the untrained eye that might look like an organic listing but Brian Freiesleben was quick to spot the ad unit. What do you all think, too close to organic listing?