It is absolutely correct to say that there is no requirement to calculate an MSA for VFR. But it is globally accepted as best practice to do so, both as metric for deteriorating conditions and as significant work load reducer and general life preserver should you find yourself in IMC.
As far as any students reading this are concerned, your examiner will ask you how you calculated your MSA, so don't let individual comments (however potentially valid) persuade you not to bother
Make sure you are familiar will all the
Safety Sense leaflets. In relation to this discussion
SSL05