How to prune peppers

in Fruit & veg
When I first grew sweet peppers I left them unpruned. This worked OK, but the brittle branches were easy to snap.
I’ve just seen a YouTube video in which a gardener recommends nipping out the leading shoot in order to promote a bushy plant and a maximum crop.
If you’ve tried this, how robust is the plant? I’m tempted to try it as I don’t have many plants this year. What do you do for a maximum crop?
Carmarthenshire (mild, wet, windy). Loam over shale, very slightly sloping, so free draining. Mildly acidic or neutral.
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I pinched out a cayenne chilli last year (by accident). It resulted in a very bushy plant, but overall significantly smaller leaves and smaller chillies in much higher numbers than the other plants grown in same conditions. I was hoping to end up with a short bushy chilli, but I got a bonsai chilli with shrink ray zapped fruits instead.