During bullrun, because it's very easy to print profits, everyone becomes an expert and it gives them that fake illusion that they are expert but experience and professionals are born from the ones that escape bear market because it's one of the most sophisticated market to overcome. This time, even the volume is always 3 times lower than what is seen in bullrun, this is to say many of them run away from trading when it's hard to do.

During bullrun, even indicators and trend lines don't work like that much, it's easy to print profits without doing much analysis and that is why you see many of these newbies claimed to be expert. Look at Solana meme coins that are pumping all these while, so many people has made money from them but let the market experience downfall, many of them will skip trading, the stubborn traders will lose more than they prepared for.

I'm not an expert when it comes to full time trading and I can't give detail explanation but just learn about technical and fundamental analysis and you are good to go with your journey.