There's a lot to consider in this post, but here are my hot takes, since you asked.

Basic tax at 1% - Yes, especially with income tax so high.

Police tax - sounds like you're just interested in playing with the numbers to try to reverse engineer the way the crime rate works. That's not a good basis for a tax policy, IMO. I say no to police tax. I don't see how this is your favorite tax.

Job tax - agree that this should be on to support mining citizens. Between the buildings that give population being largely out of print, and the reduction in the popularity boost, more population than ever before comes from citizens. So let's make them productive.

Education and Art - Disagree with you that these are great. I think these funds are better spent elsewhere, or just kept in the pockets of the players. If I understand the math, these are pretty expensive for what little benefit they give.

War Tax - I don't believe this was ever intended to be such a central focus of the game, but you're right, war shares are now a major revenue stream. That being said, I think the jobs tax is a better place to put 5%, if you were going to pick just one. I see war shares as short-sighted gains, whereas all the things that support the citizen lifecycle are more forward thinking, and support the long term growth of the game.

Eco tax - I really like the Eco tax conceptually, but in the current economic climate, it's pretty useless. If the SIM price goes back up and income tax goes down, I'm thinking this becomes one of the most important taxes, and would like to see some future buildings added to the list of things this impacts.

Non-tax presidential levers: max all these, including aging. Moving citizens faster through the cycle encourages more player interaction and thereby support for the citizen mining. I think you're exactly right that this is where most players should focus for right now.

I am curious what you plan to do with your presidential salary. I know in the past some presidents have used it to buy and burn cards from the market, or donate resources to get new players going. I know you already do a ton to help people get started, so not suggesting you need to do anything but pocket it. Just curious if you had a plan.