Personally, I think it's because CAT 1 is right there in between home owner and professional.
You can certainly get every attachment you need in CAT...
I make a stop block with a hole for the proper sized dowel or turning to be used. I clamp it X distance from the bit with enough height to clear the...
IMO, I think the constant tensioning and de-tensioning are worse for the blade (metal fatigue) than leaving pressure on the tires.
Like some others,...