Bluesky users really seem to not understand what the platform actually is, coming from a user myself that actually enjoys it. You already have the ability to adjust your feeds as well as create your own and use some made by others so no need to use the optional app. Most of those feeds are publicity editable too so you can change what others users see in their “For You” feed. It’s probably the most transparent around while also being pretty easy to hijack what someone sees if they think it’s just some standard social media site of 5 years ago. Added some screenshots of oen of the sites that shows the public info of what is in different People’s for you page