No Italo-Turkish War: Effects?

The Italo-Turkish War is one I've always been very interested in, as it appears to have had wide-reaching effects. I am wondering, though, how history might have progressed if the anti-war groups in Italy had won out and Libya remained in Ottoman hands. Basically, the idea is that the Italians have no control over Libya at all.

According to Wikipedia, the war ended up costing one billion lire more than it was supposed to, this ruining a decade's worth of economic planning. Without the war, where might this money have been spent? In total, it was 1.3 billion lire that the Italians wasted in Libya.

Additionally, many see the Italo-Turkish War as the pre-eminent 20th Century conflict eventually leading to WWI. One could of course argue that the Franco-Prussian War was what really upset the balance of power, but in any case, could WWI be avoided without the Italo-Turkish War, or at least contained? Italy would likely still be cosy with Germany and Austria-Hungary in the Triple Alliance.

Thoughts? Opinions?
 
The anti-war groups merely wanted to avoid war over Libya, still they wanted Libya; it's more that somekind of Bosnia-like agreement will be accepted so the Ottoman will have just de jure control, but de facto will be in Italy hands. No war, mean slightly improved relations with A-H, still the alliance it's over and everybody knows it (the tipping point was the Bosnian Crisis), so if the continent remain in peace till the renewal of the CP treaty, Italy will sign off.
For Italy mean an internal situation much more sedated, no troubles over the war, a much stronger economy and the socialist not burned up from the goverment experience and still more united (Mussolini break up started here); for the Ottomans another humiliation but it's more contained and their army and navy will not suffer so much to great an obvious open for the Balkan League; said that the Balkan are a powderkeg and war there seem unavoidable and a prolonged Balkan war can bring other players in the conflicts starting a general war.
 
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