Tbf the high ram usage wouldnt be a problem if it cached processes in it and used it to save battery but its just pure bloat. I think phones should have a coprocessor that handles notifications like what smartwatches do and that basically free battery. But android is also bloated because apps take a very long time to launch because of the jvm and java (thats what i heard at least, idk if this is actually why its slow) so everything is just left active. Also i think android strayed too far from linux, its basically just a worse version with a mobile ui and the support of a country sized company.