But when I link to the video event, it works even in Amethyst.
See here: nostr:nevent1qqsg85jkk9pwjnp47vd5d63qntttrumcarm8prm5wy6hkzfvlfafprgpz3mhxw309ucnydewxqhrqt338g6rsd3e9upzp2x32cxk5era2qtfj9njgmer0vm0ky3l3ytglks3m36r2vl7c7sgqvzqqqqqqysquqmd 

 Yep, the content type filter is just for the middle feed. Otherwise, there is a lot of junk that gets downloaded that the app can't display.