It was really easy to follow what he was saying even as someone much lower elo, and he used analogies to make even simpler.
Some key takeaways I got from the call:
Most important
-Review ur games
-Spam practice 20-30 minutes of puzzles daily
Less important
-Don't tilt and queue right away after getting destroyed
All around he was a very nice dude and if you haven't booked a call with him yet you should