If homosexuality were preventable should it be prevented?

[Something completely different]

Let's take it a step futher to a level where I believe most would agree with?

Let's say the cause of homosexuality has been proven to be poor nutrition. Should proper nutrition be forced upon all mothers?
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Ever heard of Philip the second? He was king of Macedon and the father of the far more famous Alexander the great.
after he had fought and defeated the greek city states he comanded those to march on Sparta and to take it either by force or by other means ar arround 345 BC.
Philip the second, sent a messenger to the city with the following message:

"You are advised to submit without further delay, for if I bring my army into your land, I will destroy your farms, slay your people, and raze your city."

the Spartens sent back a messenger with the following message:

if

thus the famous "laconic phrase" or "laconic reply" was born.

And in this thread as with every outlandish thread teearlgreyhot opend aswell as your reply I quote, all of these contain if as the central structure of the question or argument and therefor deserve no other reply but:

if

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