Perhaps when the new trader watches his account travel that path, he’ll come to his own answer on how to use leverage.The risk is you do well for a while, and grow your account from say $100 to $10k, then hit a tail event and end up in the negative. As long as you realize the absolute sums at stake and reduce leverage accordingly, it's fine though. Most likely that $100 lottery money will be gone before any of that happens however.
If you're going to take a lottery approach, why not buy OTM call options? A lot safer. That's what the WSB guys are actually getting right.