I can still sideload apps onto my android device, no? I don't view a monitored app store as a "walled garden", I consider it a convenience. I view limiting what

I can still sideload apps onto my android device, no? I don't view a monitored app store as a "walled garden", I consider it a convenience. I view limiting what I can install as a "walled garden" and Apple definitely falls into that category.