>>79476556Vinland Saga's was last year I believe, and he only did either the first season or the first half of the first season. I think it was partly in anticipation of s2
As for Dororo, that's just Gigguk wanting to watch it on stream and trying to convince JP companies to make a deal with him (from one of the videos he made about it)
Tower of God directly has Crunchyroll funding it as one of the committee members, so their marketing it and themselves in this way is sensical if just mainly experimental