I think we do have different philosophies according to what we have read or been told since we were young.
I think proffessionals have the most genuine approach just as you have stated. Your opinion is not personal it's on a global level where by anyone can understand you.
In our country most religions will give you something else from what the government makes us believe.
But I think from the evolution perspective, The meaning of life comes with the main purpose we do have on earth and that's to create, reproduce and create a better environment for our off springs. I think that what we have been doing just that ever since the first man came into existence.

convinced that the question of the meaning of life fits equally to the repertoire of the madman and of comics.

True, at the end of the, we just fail to know it all. Look at what we have been doing to survive all thing long and maybe come up with a vague answer.