>>5951372The video argues that those bad habits can be fixed later. According to Sinix a more fun and explorative approach will build up passion instand of resentment and frustration - something you can witness onthis board. Beginners will eventually study fundamentals on their own accord, but passion has to be nurtured.
>>5952314Symbol drawing exists, but it's not inherently bad. The connotation with flat drawings is true to an extend, but symbols are more than just failed perspective - they are visualisations of concepts. They're a universal visual language. Since they show the perceived properties of the subject instand they are often drawn in a way that showslcases the most prominent features of the subject. Symbol drawing can be a stylistic choice, from ancient hieroglyphs to anime side mouths.
When teachers appeal to be mindful of symbol drawing they remind you to properly observe and measure - that's pretty much all fundamentals are about. If you are aware of symbol drawing however, it can become a very useful tool.