Two jobs, not one
The 10/21 EMA cloud is the short-term directional filter. The 50 and 200 moving averages provide a larger structural backdrop.
How to read them together
A clean short-term trend above a supportive larger average is different from a short-term bounce into a falling larger trend. The averages provide context; price action around them still matters.
Simple example
A stock can be above the 10/21 cloud while still approaching a declining 200-day average. That is a reason to recognize the larger decision area, not to ignore the short-term trend.
Intermediate takeaway
Use averages to organize the chart. Do not treat any one line as a guaranteed wall.