On one hand, having a free for all is very good, especially for developers, and for programmability of our devices as such. Screw iPads.
On the other hand, malware which coaxes normies into installing unverified apks, is an undeniable fact of life. It's nice to be pontificating as a power user who has never been phished or whose devices never became botnet zombies in their life.
On yet another hand, higher-end malware (made by those who can afford the store fees) is there on the freaking play store and app store, so, I guess, shrug