They should have let him continue. It's not like he was contributing anything except masses of data for the cool-aid drinkers to misrepresent. And discrediting himself in the process. Now those cool-aid drinkers will have something unfair to point to.
On a side note, I'll point out that he's been dumping on Hillary with impunity, but as soon as he got into what the banks consider their private business someone gave Ecuador a call.