Yeah, it does matter.
Apple doesnt allow this, once you close the app its closed as best I understand it (unless you "opt in") and why companies like Facebook have been hammered in lost advertising revenue which even Facebook admitted lost up to 10 billion in revenue because of Apples new policies. (think about that, 10 BILLION in lost revenue and that is just one company, now add in all the others and I think its 10 billion every six months for the big guys alone)
The apps on your Android phone can crosstrack even when you are not using the app. Android in not a problem for these companies, Apple is.
Apple’s new rules proved costly
www.theverge.com
During Facebook's most recent earnings call, Sheryl Sandberg, chief operating officer of Meta Platforms, which operates Facebook, acknowledged that Apple's actions had created some "headwinds" for the social network which, by some estimates, depends on targeted advertising for 98 percent of its...
www.technewsworld.com
Apple's privacy feature disrupts the behind-the-scenes mechanics of many mobile ads, especially those that confirm whether a purchase or download was made.
www.cnbc.com