[rini17]

You are supposed to study datasheets before you start a car?

Please. There's nothing wrong with "hands-on first" approach. And the tortured metaphors completely kill your argument...

[nunuvit]

It's too late to edit my original comment. I was responding to the part about when you're breaking a lot of stuff all the time.

Checking limits is for preventing breaks. Visualizing heat is for troubleshooting when they happen anyway. You should do both.