Don’t throw your managers under the bus, stay optimistic, anchor your message in whole company success. You might be surprised at the impact you can have & the replies you’ll get.
Here’s a formula you can try...
At <company presentation> you talked about <goal>, which I’m excited about!
I/we’ve been experimenting with <new approach>. We’ve seen <results>. What other teams should I/we collaborate with to help Apple get to <Tim’s goal> faster?