On hindsight, they probably should have rammed the bike on either of their 2 opportunities.
I'm not in favor of terminating pursuits. Start doing that, and then everyone runs. A lot of US companies are researching non-lethal methods for disabling vehicles during pursuits and hopefully some of them will be usable in the near future. Unfortunately it's really tough to generate an EMP strong enough to kill a car, and even tougher to focus that pulse so it only affects the intended target. But at least they're working on the problem.
And they haven't decided the solution is to just take the first clear shot at the perp either, even though if I was king that would probably be my solution. Run from the cops and endanger others, and face a real risk of getting shot to prevent you from putting anyone else at risk. Stop immediately, get treated fairly. But I'm not king so you guys don't have to live in my version of a polite society.