Based on what evidence? Here's a good roundup of our best evidence, and it shows that seed oils improve health outcomes: https://www.the-nutrivore.com/post/a-comprehensive-rebuttal-...
Since you like Youtube videos, here's a good talk between Gil Carvalho and Simon Hill that also goes through the evidence: https://www.youtube.com/watch?v=_ri4S7MLu3A
Another summary of the evidence on seed oils by Layne Norton: https://www.youtube.com/watch?v=L2fSaFnt0FM
I skimmed your video and it's the same old low-carb narratives with very little evidence cited which should always be a red flag. People who can't point to our best metaanalyses or human health outcome research on something to back their point will generally spin narratives because it's all they have left to do.