Erratic? She backed up, clearly turned the wheel away from the officers, and only once the car was fully turned away and no officer was directly in front anymore did she accelerate. The officers were never in any danger.
China also knows that other countries don't exactly share that perspective. And it certainly won't persuade Trump to not continue his anti-China policies.
Which is the point, it's rarely tried because it's very risky and unlikely to succeed or achieve your goals. The US military however was capable enough.
How many other heads of state do you remember being kidnapped from their palace, like from anywhere?
Of course Venezuela is no China or Russia and doesn't compare to the US military, but they did have fairly modern Russian-made AA installations, all of which were successfully disabled or destroyed. And again: zero casualties.
You expect the operation would be successful, sure. But not as perfectly executed as it was.
In a matter of hours the US kidnapped the president of Venezuela, from his house on an army base, taking zero casualties. I don't think there's many militaries around that can beat that. It's not the same as capturing Putin or Xi, sure, but it's no trifle either.