Honestly, I don’t know why they make it so hard to deal with indicators.
The fact you cannot:
A) Hide all indicators
B) Easily hide individual indicators
Is hard to understand. I’m sure they can do it.
Right Click > Indicators > Find indicator > scroll down > uncheck Visible > Click Apply.
Repeat for every indicator if you want to hide them all. The names on the top of the chart wouldn’t be an issue if you could click on them to hide the indicator.