Other options are simply to complicated for the average human.
Slows nostr adoption.
Slows bitcoin adoption.
You'll see this "self shooting of the foot" in the stats in the coming months.
Discussion
They said the same thing about email, the internet, etc
“It’s too hard to understand”
Then innovation happens and the people like you get a foot in the mouth. Zeuspay has been out for 2 months and there’s nothing hard about it. If you believe custodial solutions are the key to adoption you’ve lost the plot.