Mercenary capitalism is short-sighted and eventually destroys itself. Many companies today are practicing such stuff and destroying the purchasing power of their base of customers and employees.

The profits are sweet for awhile and then the bottom drops out.

However for some greedy folks who skim corporate wealth out of stock manipulation, this doesn't matter to them because they are not in it for the company or the longhaul.

The article I linked to described the pipeline ownership and deal. Yes, others would surely sell to the Greeks, but getting it there would be timely and costly and so the Russian oil giants will have the Greeks over a barrel.