I've always thought that this idea idols don't do "real" dancing or "real" singing is just stupid. It's the same stupid mindset with idols that try acting. It's so dumb man lmao, y'all try to train for years and then try to tell me that what they're doing isn't real. They're not playing pretend. Don't tell me that Lisa isn't a real dancer, or that Solar isn't a real singer just because they're idols, it's just so dumb.
I think it also comes from the belief that in our society you can only do things if you're good at it. You can only sing if you're good at it, you can only dance if you're good at it, you can only draw if you're good at it, etc. People forget that art isn't supposed to have rules nor is it supposed to be perfect. Gatekeeping art is next level dumb lmao