This might just be the best solution to keep things slightly more honest online though. With SEO targeting THE single search engine, it’ll forever get gamed by irrelevant/ad based results. If everyone uses different search engines then SEO starts to fall apart
Your third link actually discredits your point. The Play store is the “main”/1st party app store for Android devices and the article says how it’s the biggest distributer of malware over 3rd party app stores