[abirch]

It's a bond not a fee. If the maintainer feels that it's spam, they keep the bond. If they feel like it's not, they leave it.

[Forgeties79]

That sounds like a massive headache for maintainers and opportunity for people to cry foul. That gets messy so fast.

[account42]

That doesn't change that E(cost of submitting a patch) is nonzero.