No. Nations don't throw national resources away, especially in modern times. If they're spending money, their lives, political capital on this they're profiting from it in some way.
Russia has to control the black sea and they have to control territory all the way to the Dneiper river. If Ukraine realigns to Europe and NATO they have to at a minimum have control over that territory to have a defensible position. This has been true since the days of the Russian empire, and this is one of the historical reasons for a Russian ethnic majority east of it.
No. Nations don't throw national resources away, especially in modern times. If they're spending money, their lives, political capital on this they're profiting from it in some way.
Russia has to control the black sea and they have to control territory all the way to the Dneiper river. If Ukraine realigns to Europe and NATO they have to at a minimum have control over that territory to have a defensible position. This has been true since the days of the Russian empire, and this is one of the historical reasons for a Russian ethnic majority east of it.