I also don't really care to extend observations to some grand theory. I ask some questions in this web site. In most cases I don't want you to send me the answers. I think I know the answers to some questions I ask. I haven't got a clue on some of the others.
Bugs are bugs.
They provide entertainment for me. That's what they are here for. That's why I like them. I don't have to justify in an economic or biological sense why I like them. If you don't like that, well, you are probably taking yourself too seriously.