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Most people like animal-looking Pokemon and that's what you get. That's why gen 1 designs are the most popular. Jynx and the like are actually a minority.
95% of people beat the Elite 4, catch Mewtwo and are done with it. At most they try to catch them all which is actually possible since they are only 150. Nobody cares about all the 'problems' with the 'metagame'.
The game is genuinely fun. It's not tedious. It has a good pace. You don't get NPC stopping your way every two steps. You don't need an overly-dramatic story where the whole world revolves around you to have fun. It's simple. It has sense of adventure.
Most characters are recognizable because everyone watched the first season of the anime. Oak, Misty, Brock, Sabrina, etc. You have also a rival who actually tries and antagonizes with you: Gary Oak.
If your problem are the graphics or glitches, just play FireRed or LeafGreen. What did you expect from a 1990s game for an already-dead dead console? Gen 1 revived GameBoy. Your reminder that unlike new games that have dozens of staff, a millionaire budget and cutting-edge technology, Pokemon Red and Blue were made by a bunch of Japanese students with very limited resources. That didn't stop it from being fun and selling more than any other future generation.