For video work it's best to have them. I'm not doing so great now as I just had a very expensive dental implant 5 days ago and it's still painful. I kind of regret having it done but only time will tell. I never use ND filters on my Mavic 3...
It's not rude at all, I was being brief.
Here I'll give you a longer version.
When you understand enough about ND filters, what they can do for you and whether what you are doing with the drone would benefit from using ND filters, then you'd be...