Considering how under-funded and understaffed the IRS has been/is, they do a pretty amazing job with what they have to work with. Simplifying or redoing our tax codes again is a huge task that will take time. There does need to be some sort of progress though! We’ll see what type of government we’ll have shortly.
IIRC, the reason sodium batteries would be better is we have abundant stocks of sodium, whereas the raw materials for most other batteries are limited and require more destructive mining. John Oliver just covered some of this on his show last Sunday. If that tech can be improved, hopefully there won’t be any deep sea mining for more raw materials!
If they don’t already exist, it sounds like a niche need for a third-party company that has some preset templates of different options? Add a lawyer and some legal aid and could be very helpful for the system.