Why does he need your help? Why do you think he needs you to post on his behalf? It's likely the main issue is not his problem but the team's: a lack of docum

Why does he need your help? Why do you think he needs you to post on his behalf? It's likely the main issue is not his problem but the team's: a lack of documentation for the system or of any reasoned basis for decision-making. And that won't change until the team gives up on deciding what to do based on who-knows-whom with a veneer of process, and instead has honest design discussions and decisions, on the record.