They always could look for new planets, and dying to start over is not that different from our "gathering small pieces of happiness only to loose em again and start over"... And the sharks... id rather get that as an joke of something gets trendy and ppl suddenly flood him with it. Thats something very human to do lol...

Venat broke with an tradition, sure they ask her when she wanna go, but theyre not "do it soon or we do it!" so i dont really see the problem there - consider they dont seem to have a natural death and we have 0 Idea how old she actually was.