Seriously, can we just settle on that? It's objectively the best and the fact that there are so many of competing alternatives is the reason why we're still stuck with that 8bit artifact ridden ancient JPEG.
I think his point was mostly about "writing software". As in you won't need specific software anymore and the computer/network would do what you tell it without specific "apps".
Would it be a problem since the wal you delete, its inode, will still be open and processed at the DB closing normally? Just guessing, never tried that.