[quote=@Lonewolf685]
<Snipped quote by Unoedipal>

But how much time must we alot to weaseling them all out? Granted, might be useful for future works in the Fate fandom, and not a bad hypothetical discussion topic, but it is tiresome if we have to go through it whenever someone wants to insert themselves.

Even if this is only day one of the Grail War.
[/quote]

You're severely overestimating how many methods there are to summon a Servant without the Holy Grail or a separate Greater Ritual.