No. I wouldn't. The best policy is "never invest more than you can afford to lose". Although we tend to borrow money for other types of investments (such as real estate), crypto is too volatile to risk it. If you don't have the money, then don't do it.
I also agree with you. Cryptocurrency market too much volatility, just you do not keep up with the market you can lose everything. So borrowing to invest in this market is extremely risky. I think invest in the amount of savings you get and if it's lost it will not affect too much of your life.