You are right, many of those questions are a bit pointless. But for some questions it's hard to know if there is an actual real answer or not.
For example, you might ask "Why does Pokemon X have a stripe on their body?" For some Pokemon the answer would be because it's based on a particular animal that also has that stripe, or another similar reason. But for other Pokemon it could just be "that's how Game Freak designed it".
For stuff like "Why doesn't Pokemon X learn move Y?" (e.g. the Eelektross/Surf one) they are almost always "that's how Game Freak designed it".
And yes some of the others like "outrageous Pokemon question" are downright dumb questions and should be flagged.