The table isn't pyramid shaped. It's triangular. ("One of these things is not like the other ...")
Neither Russell nor his father were Masons. They belonged to churches that discourage membership. But suppose they were. Do you believe the Masons are engaged in a world-wide conspiracy? Prove it. Do you believe they represent the Devil, rather than be a rather silly social organization? Prove it.
There are two logic faults within the belief that Russell was a Mason. Can you identify them?