Earlier quoted context omitted.
Don't know about GCP, but our AE on AWS was also continuously rotating, and as best I can tell, their job was to figure out what we are planning to build, and to ensure that we should always use for that, rather than a competitor product or build it ourselves.
Exactly the same experience for us as well. I just don't bother with them.
It’s ok though, Claude helped us cut >45% of our monthly costs. I’m surprised they haven’t been beating down my door after we made that level-shift. Probably in AE transition. ¯\_(ツ)_/¯