This is entirely within the Hinayana tradition (use of Pali and so on) and there is, IMO, zero "spiritual" content in it.
Some Buddhists take on symbolic names. Many if not most western names are derived from previous spiritual, historic and mythological names. Mine is. Is yours?
Power and hierarchy almost always corrupt. My own group has no robes, no priests and no temples. Hypocrisy is rampant in every hierarchy because it's so hard for people to use power to serve others without crossing that "golden rule" line. The rarest substance on earth is humility.
I also found it troubling to try to take spiritual advice, no matter how practical, from someone who had been married and divorced multiple times.
More recently, he's been accused of inappropriate behaviors and was blackballed from some of the spiritual/meditation organizations he was a part of.
Perhaps it's my evangelical upbringing that has made me hardened and highly suspect of anyone trying to lead people in a spiritual way, but unfortunately I feel like I just keep getting proven right over and over again.