Part of the problem is the proliferation of nukes and how this has taken all the fun out of war.
Wars used to involve some skill and be fun. Ground attacks, air attacks, blitzes, coordination. Now, all boils down to nukes and war chests. No skill, no tactics.
Nukes need to go back to being a deterrent. I have seen some people suggesting uncapping GRL as a solution. I don't believe this would work for a number of reasons.
The war system needs to be changed to make conventional warfare, tactics and the players skills more important again.