It has been from a while. The only guarantee solution is just spending them. I was just tricked on Emperor as well: one of my vassals managed to steal 1'047g/1'380g in my capital with a counterspy lv III and a Constabulary built. Annoying to say the least.
This system is awful and I do not know why Gazebo is standing by it since literally everyone hate it. It i fun killing, and awful. It is obvious your treasury is spread throughout many cities in banks, vaults, financial instruments, patents, with lion's share in the capital. Yeah, how can a single spy load tons of gold ingots into his pockets and flee away? I suggest it should be tied to city wealth, with only chance to steal half of tresury in the capital. If its not possible then tune it down to mostly 20-25% and 33% max and maybe decrease turns. Still hurtful, not a killjoy.
Setting goals like Heathcliffwarrior would be the first thing we should achieve. But I really miss the communication from Gazebo what he want to achieve. Some time ago I was trying to start a discussion which aim the happiness should have (stop early expansion, punish bad infrastructure, punish hard warmongering, how many cities should be manageable, etc.) and someone else was making a poll, but only CrazyG and Stalker0 went into a deeper discussion and Gazebo said, he has no aim, only trying to keep the system running.
I think your consideations are valid. I also yearn for less complicated (wts is distress?), yet more punishing hapiness system. I read that thread.
And yes, some mods are doing this part better than vp (as much as probably you don't like to hear that). Sad to see community here is not anticipating meaningful and needed changes and is mostly interested in cosmetic stuf, along with dragging difficulty level down.
We have accomplished some steps. Happiness is a bit more stable but at the price of some irrational complexity and is still too easy in most circumstances
It is brutally too easy. There is no even a slight penalty for mass annexing cities
like it was in vanilla, which tried to acknowledge those are not your citizens.
The most impressive part is how G managed to get 17k posts without coming on the forum to talk. That got to take some serious Tzeentch level sorcery, void magic or serious division by zero to achieve.
Posting a massage and contributing to a discussion are too separate things. It is a general rule, I do not ascribe that to Gazebo, but since I have followed this forums, I really don't see too much of enthusiasm to make CBP more realistic and challenging.
I once read about VP from people who, like me were searching for a more realistic yet more challenging experience in mods, that VP developers are playing at chieftan and are not interested in contributing to creating demanding and realistic mod.
It was a post from like year ago, I do not know if that is still correct, but considering what I read around here, and that in some of you are posting that deity was eviscarated even further it may be at least partially true.
Anyway, if vp is not aiming for a enhanced experience from vanilla, which pretty obviously would entail focusing on veteran players and higher difficulties and more punishing and real-world like mechanims,
then I do not know what is it aiming for.
and Gazebo said, he has no aim
And it looks like I am not the only one.