As part of the debate team in high school, I had to do the same thing (prepare for both sides). I think it is an excellent exercise in critical thinking, even i

As part of the debate team in high school, I had to do the same thing (prepare for both sides). I think it is an excellent exercise in critical thinking, even if you wholly disagree with what you're arguing for. Sometimes it even led me to find points I never thought of in the opposing side that I agreed with.