Is fishing cruel?

When I was growing up, my dad took me fishing a few times. Thought it was incredibly boring. I'd catch a few fish, then we'd eat them, but still boring. My dad still fishes a lot, and sends me photos of his catches. I normally say something along the lines of "nice catch" or "cool". I feel bad because I'm probably encouraging my dad to continue fishing. It's just cruel to me. Putting the fish through the trauma of a hook being pireced through their mouth, and dragged out of the water. What do you think about fishing? Is it cruel, or not?

Is fishing cruel?
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