Is iOS going to be sending data to apple on each app installed even people sideloaded it?

Also will iOS launch an un-notarized app that you side load? Probably not knowing apple, but if it won't I am not sure I consider that side loading in my opinion. This is because then that code still has be reviewed by apple to get notarized. This still gives apple the power to reject apps it does not like which negates the whole point of side loading.