The Il-96 shouldn't be kept in production. It's a question of politics and prestige. It's the only wide-body airliner Russia produces. Honestly it's a Soviet-style wide-body passenger plane that has little to no role in the current Russian government air fleet.
Honestly the VVS needs to pick one large airframe and use it for everything, from AEW, to flying command post, to long-range ELINT, to tankers, etc. Instead they have Tu-214s for some roles, Il-76s for others, and it looks like the zoo will only increase in size as new passenger planes become available (SSJ-100 and MS-21 for example).