looks like Tsipras has folded

[Silent Hunter]

Tsipras was (is) in an impossible position. I'm not sure if he's handled things in the best way, but then I'm not sure if there even is a best way by this point.

Agree; bringing your country that close to economic collapse then essentially agreeing to the same deal isn't very successful in anyone's book.

[Silent Hunter]

Greece have unable to pay its debts, because it have a budget deficit, not because of austerity.

We have a budget deficit and are still able to pay our debts ,or rather the necessary payments on them. So that's not really the case.

I definitely agree, however, Greece is not going to be able to pay its ones and some write-off maybe needed.

[Silent Hunter]

all of which makes it hard to regard Brest-Litovsk as a Bolshevik tactical error.

Mind you, the Germans not having to fight in the east meant they almost won in the West.