For OP who made this post more discussion, I have a few arguments why stable coins are needed, namely because the coins are stable with the original US Dollar.
Bitcoin, Ethereum and Solana prices are very unreasonable because every hour, minute and second changes quickly so for people who feel they have heart disease, don't trade crypto.
Stable coins like USDT are definitely needed by those who trade or invest in crypto every day because stable coins are a way to double capital or not profit.
Is OP still hesitant about stable coins if there is a Bullish and no Take Profit, while when Bearish does not stock USDT?