"Seeing HiCloud request while having HiCloud app enabled" -> and so ... ? The question "if I refuse all their services, do they still collect my data". No surprise your phone makes request if you are using their services.
"Third Party apps are not privacy respecting and sending data to Google" -> yes nothing new, we're not talking about the spyware you can install from the playstore yourself, you have a lot of choice there too indeed, we're talking about pre-installed apps.
"Third Party apps are not privacy respecting and sending data to Google" -> yes nothing new, we're not talking about the spyware you can install from the playstore yourself, you have a lot of choice there too indeed, we're talking about pre-installed apps.