Well, that's pretty much schadenfreude for ya
If someone cannot get enough electors to sign their petition, or fill out a petition and financial disclosure form correctly, are they really capable of passing laws or governing[?] A correct petition is the minimum that is required. It is pretty hard to screw up if you take the time. -- Lou AgreWill Brady join the numbers of those candidates cut off at the start (radically changing the mayoral field), get special treatment from the Powers that Be, and/or become a sudden convert to the movement to end "gotcha" challenges? (Note that one of his opponents would have to bring a court challenge, which in itself would be a loaded role to play.)
Edit: Nope, anybody can do it. I expect we'll see a challenge via somebody's supporter.