Boys and girls are typically on seperate teams for sports, and when they do play together the boys will normally go easier on the girls. That is just true. As for seperating the genders, that does no good because we want more boys imvolved and we need to create the atmosphere to encourage their involvement.
Your second paragraph is proved wrong by Vatican statements that make it clear male altar servers HAS led to vocations.
Your third paragraph is in support of my view and it erases everything you said before it. You readily admit in that paragraph that being an altar server strenghtens someone’s desire to be a priest, since you acknowledge that obvious truth, than you should have the humility to take back everything else you wrote and admit that the Church and the Priesthood is better served by having an all male altar serving corp.