Most of what's on there is pretty good. For a 1000 ft overview, I'll let you pick one or both of these.
This is his personal "flat earth Journey " talking about the process and the evidence that brought him from globe believer to flat earther:
https://www.youtube.com/watch?v=J0lko_TfYyM
The problem is that there's so much. If you're open, are you open to watching a 40+ min long video to better introduce the high level concepts?
Send it over my way and I'll watch it.
Cool. There's hundreds of channels and thousands of videos out there, hard to know where to start, but this channel is probably in my top 5 https://www.youtube.com/channel/UC3Z5IVoNE5cP2kka5svUEBw/videos
Most of what's on there is pretty good. For a 1000 ft overview, I'll let you pick one or both of these.
This is his personal "flat earth Journey " talking about the process and the evidence that brought him from globe believer to flat earther: https://www.youtube.com/watch?v=J0lko_TfYyM
This is a good one that high-level pokes holes in the current accepted model: https://www.youtube.com/watch?v=NAZC9rkJ5ok
Both are highly recommended to someone new to the topic.
Good for you being willing to look.