Run, don’t walk, in the opposite direction of this advice.
You’re looking @ candlesticks, which are merely a representation of price vs. time. Market participants are going to trade based on many, many more aspects than simply price and time.
This concept of “noise” is touted by individuals who have very little experience interacting with professional traders- guys who were actually in the pits for years upon years. When you’re looking at very fast timeframes, you need to be trading context- not just 1 candlestick vs. another.
Being an FX trader, you don’t have access to entire-market volume or orderbook data. So, from the shoot I’d argue that as a scalper / daytrader you’re already @ a disadvantage. Professionals trade very differently than retailers do…check out this book: