Suppose you are going to start crypto trading and you don't know about technical analysis then how you will manage your trading? Where you will set entry and exit point and the most important thing is that which coin you will choose to trade. Suppose you choosed a scam coin to trade and they failed to pump and you will be in lose automatically. There are a lot of cryptos in the market and all are not potential or a strong project. Also if you buy a good coin but don't have risk management then you will surely can't survive in this volatile market.
So before starting Crypto Trading technical analysis is a must to know. You can learn about it by reading articles from Google or from YouTube.