What? What does Austria gain by making peace with those that wanted to break their Empire apart and were allied with a nation (Russia) that coveted big chunks of their territory, either direct or indirectly? Your proposal is, curiously, in order to avoid a potential and distant, future threat, Austria should acquiesce to the immediate and much more dangerous threat that surrounds her.
I'm also curious to know how Germany is much of a threat for Austria as Russia. Austro prussian rivalry was decided once the german question was resolved in 1871. Note that Austria refrained to intervene against Prussia in the franco-prussian war, despite the fresh memories of enimity, because it was unatenable to attack a fellow german state fending off french aggression. Now, you want Austria, already at war against both France and the United Kingdom (a war that Austria wanted to start, after all, and asked for german help) to bail out in order to prevent your stalwart ally that has no dispute against you (contrary to France and UK, that just offered your lands to almost all the surrounding states) to become potentially even more powerful than your actual enemies? Sorry but your reasoning is video game like and unrealistic.
Step back for a minute. Austria entered its alliance with Germany to get help against Russia. Russia has no been defeatedd and is no longer a threat. The whole basis for the german alliance is gone
Yes, you are a t war with France and Britain but what on Earth does Austria gain by having France and Britain destroyed? What do France and Britain want from Austria? Nothing
Sure they offered your lands to everyone but they've all been beaten If that's your only quarrel with Britain and France, then epace is now achievable. So you offered Bosnia to Serbia? So what I get Belgrade. Do the british and French care if the Serbs have Belgrade? not really They are only concerned with checking Germany getting her out of Belgium and France. Now does Austria have an objection to that? No
Austria nd Britain were loe friends, allies in all but nam from the Crimea to the entente. There is nothing to prevent reconciliation
The countiries in the various coalitions all have their own interests- Britain wouldn't mind Russia being beaten as long as France is still strong for example
This is why European wars almost always end in seperatte peaces- the allies aren't interested in their partners winning too much
That Karl even made the feelers (unrealistic as they were) is asign that he had thoughts along these lines. With Italy neutral, the Austrians are much much stronger They would be strong enough to negotiate from srength.
What your asking the AUstrians to do is send millions of their men to fight in France for nothing