> They need tons more training but no one wants to pay for that.

No one agrees on what type of training they need.

> We underfund police compared to other OECD nations.

This is just not true. The US spends 32 billion dollars on policing[0] while the UK spends 433 million euros[1]. Even if adjusted for PPP that still massively puts the US ahead.

[0] https://www.lexipol.com/resources/blog/2023-doj-budget-highl...

[1] https://www.gov.uk/government/statistics/police-funding-for-...