We shouldn't underestimate the forces that will be at work right to the end trying to prevent this happening.
What seems like a simple matter to most will be being spun as a threat to economies. Manufacturers will be arguing that standardisation makes it easier for unsafe chargers to enter the market and put consumers in danger. They'll be scare stories about children getting burned and other attempts to protect self-interests.
I've spent more time that I would have liked in meetings where people have made spurious technical claims to try and limit competition.