The problem is he comes out and then stops.
There's a Cambridge astrophysicist called John Harrison who does really good analyses of goalkeeping across the league and he worked out there's 3 dominant strategies by goalkeepers. Charge out, stay on your line, or charge and then stop.
Eddie does the last and it's the worst of the 3. It doesn't force the striker to make a decision far away enough from goal to make them miss, and it gives you no reaction time compared to staying on the line.
He did a really good thread on it on twitter. Apart from this he loves Ederson, his models rank him as the best from set pieces/corners and the keeper who has prevented the most goals this season.
the whole analysis of 1v1's for all keeper's is here -