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My feelings are that, at its heart, the Trinity is an attempt to reconcile two conflicting sets of data in the Bible: there is only one God, and there are three different entities seen acting and behaving as God. If people want to call the Trinity's solution to the problem stupid and contradictory, I guess I can't stop them. For my own part, it's a contradiction that can be maintained because it's about a divine entity, not a human entity.
However, I don't take well to that kind of stone-throwing from Mormons, who put out a much more logically contradictory document for much sillier reasons quite recently, i. e. the Family Proclamation. Insisting that an equal partner may preside over another equal partner is every bit as much an abortion of logic as the Trinity will ever be accused of being, only since the presiding-equality pertains to human entities, and not divine ones, there is no potential escape clause.
So, glass houses, stones, you get it.