Why do traders still use lagging indicators?

Why do traders still use lagging indicators? MACD, RSI, MA, I can't see why they're useful; it's like driving your car using the rear-view mirror instead of the windshield. How is anyone supposed to be profitable doing that?

Analyzing the order book is the only way you can trade, because the order book generally shows you what's going on and what probably will happen.

 

You seem to know alot... Interesting that your way is the "only way" to trade.

 

I'm just asking a question, because I'd honestly like to know why people use lagging indicators. To me, it looks like black magic.

 

Because they work

 

Of course, one has to know how to use them.

 

Well, yeah. You also have to know how order flow works to use it.

 

No doubt...

 

Entropy lies in the eye of the beholder.

 

What order flow course did u just get done taking?

 

Jigsaw Trading.