It expects the communities to be on the post instance or your instance (lemmy.world) if not specified. The community should always be referred to as !Kurzgesagt, which automatically works as a link.
primarily suggested experimental carbon capture system that Bill Gates had invested in as potential solutions
only mentioned the sponsor in the end screen so most people did not notice
Supposedly, several other videos were sponsored by foundations and exhibit similarly subtle biases.
Also, lots of their research comes from their partnered publication, Our World in Data, which was sponsored by philantropists and found to be biased and unreliable on many accounts.
Does it mean they are as crazy and oblivious to science as PragerU? Not even close. However, their claims and presentation should be treated with a pinch of salt even if they provide footnotes. Personally, I find the biases too slight to matter – I would not really watch their videos anyway (I don’t like the pacing, language, obsession with cleanliness and animation style).
Impossible in some countries, like Germany with mandatory ID validaion. Luckily, our Pirate Party leader, a telecommunications expert, blocked this proposal here.