If you support Apple and Google having locked down authoritative control over the code run on their devices, then you support the Great Firewall.
The only choice of a free and open society, and one mindful of the great benefit of open source and open platforms, is to remove these companies from executive control of mobile platforms. They must become free and open, just like the web.
They're sucking all of the air out of the room. It kills freedom, diversity, and progress. It's rent-seeking.