The main reason is that they like temporary practical profits as you said above due to high pumps that keep happening one after another where many traders make short trades to take advantage of daily volatility to make profits. Yes. they try to speculate their money into currently trending hot projects like meme coins. For this, Myabe it is just my assumption, currently many projects are migrating to the BSC platform, even though we know that each coin has a different purpose, but they are all built on blockchain technology.