Bishop Williamson of the SSPX, a guy who makes the Moony marrying Bishop Milingo look like Spock, is speaking out against Bishop Fellay. He wants him out, no surprise there.
The SSPX need to throw Williamson out permanently and completely. I firmly believe that God has appointed Bishop Fellay to restore the SSPX to the Church and maybe a little vice versa. When that happens, Williamson will do as much damage as he can. Whatever damage he does, he must do it as an outsider.
If he is still of the SSPX, no matter any sanctions imposed, he will drag the SSPX and the Church down with his self-centered lunatic ravings and behavior.
Forget Fellay being out, Fellay must kick Williamson out. Do it. Do it now.