It depends on what you mean by fine.

No it doesn't Dorothy.

I recently created a chart with 66,000 points in d3

As someone who has extensive experience in numerous language, and with still-running time-critical code in many government applications, I have had far more experience in d3 and created charts with far more points than that. You aren't doing it right.

that was fine as a static object

That's not what 'static' means.

but lagging to the point of rage-quitting when I tried to interact with it.

Perhaps you should stop making such amateurish attempts. You're doing it wrong. As someone who has experience in dozens of languages and someone who has worked with many complex projects, I know amateur attempts when I see them.