Yes, you're right, I totally agree with you.
But these technical analisys helped me a lot to buy Bitcoin cheaper :)
My first bag was bought in october 2021 ($63K)...after the market crashed I decided to learn some (not much) technical analisys, and instead of DCA I accumulated just USDT (cash flow from my salary, etc), and I bought my next bag of BTC in december 2022 (between $16-17k).
So...for me it's working well to wait instead to DCA...

But we are different, and this thing is the best thing in the word!