Well, they are certainly Russophone. Whether they do indeed have a preference for being annexed to Russia, I can't say for sure, but it seems plausible, at least given the evidence available on Western media:
The Crimean status referendum showed overwhelming support for joining Russia, but this referendum occurred under military occupation and there are credible allegations of fraud, thus it is not very strong evidence.
Less controversially, the former president Viktor Yanukovych, who had a pro-Russian platform and whose removal sparked Russian intervention, had his electoral base in the Donetsk oblast, where he previously served as governor.
Love that broad brush you have. --- But whether the locals do or do not prefer to be annexed is besides the point, isn't it. Unless you think it should be a new standard in international relations that 50%+1 preference for annexation is a valid casus belli. What a beautiful world that would be to live in.
Some of the comments on the link by James_Miller exactly six months ago provided very specific estimates of how the events might turn out:
James_Miller:
Me:
"Russians intervening militarily" could be anything from posturing to weapon shipments to a surgical strike to a Czechoslovakia-style tank-roll or Afghanistan invasion. My guess that the odds of the latter is below 5%.
A bet between James_Miller and solipsist:
I will bet you $20 U.S. (mine) vs $100 (yours) that Russian tanks will be involved in combat in the Ukraine within 60 days. So in 60 days I will pay you $20 if I lose the bet, but you pay me $100 if I win.
While it is hard to do any meaningful calibration based on a single event, there must be lessons to learn from it. Given that Russian armored columns are said to capture key Ukrainian towns today, the first part of James_Miller's prediction has come true, even if it took 3 times longer than he estimated.
Note that even the most pessimistic person in that conversation (James) was probably too optimistic. My estimate of 5% appears way too low in retrospect, and I would probably bump it to 50% for a similar event in the future.
Now, given that the first prediction came true, how would one reevaluate the odds of the two further escalations he listed? I still feel that there is no way there will be a "conventional battle" between Russia and NATO, but having just been proven wrong makes me doubt my assumptions. If anything, maybe I should give more weight to what James_Miller (or at least Dan Carlin) has to say on the issue. And if I had any skin in the game, I would probably be even more cautious.