It definitely makes it a lot less likely, since you need to have hardware exploits (or some Android zero-days), which are rare, valuable, non-trivial to exploit, and only accessible to a very limited group of actors (CIA, very proficient hacker groups), so these will not be wasted on just stealing your data…
If you think degoogling your phone is going to make it not spy on you, then it makes sense you would target your remote.
It definitely makes it a lot less likely, since you need to have hardware exploits (or some Android zero-days), which are rare, valuable, non-trivial to exploit, and only accessible to a very limited group of actors (CIA, very proficient hacker groups), so these will not be wasted on just stealing your data…