While intensity techniques can have their place, don't forget about simple linear progression. His main effort should be devoted to getting stronger on big lifts in the 3 to 5 rep range and only minimal effort should be devoted to strip sets at this point.
James 1:16-17 ESV
Do not be deceived, my beloved brothers. Every good gift and every perfect gift is from above, coming down from the Father of lights
With God's help...Mens sana in corpore sano