Yes, Apple products are backdoored - not just through esoteric keys, but also because they're uploading your pictures to the mothership "to check they're not hild porn."

because they're uploading your pictures to the mothership "to check they're not hild porn."

Citation needed.

Also, if virtually every software that is updateable by a vendor, then going by your argument, everything is a backdoor. Not a very useful term then.