I qualified that statement and said iTunes Match does make sense for people who 'go outside, travel, etc., and would like to access any of their music library from anywhere'.
Since we keep coming back to semantic details, this is exactly what you said:
Do you never leave your house? If you don't, then I see how iTunes Match may seem useless. However, for people who do go outside, travel, etc., and would like to access any of their music library from anywhere then iTunes Match makes sense.
Well, I am a person who goes outside, travels, etc., and would like to access any of my music library from anywhere. But guess what? iTunes Match does not make sense to me. Therefore, as I said before, your assertion is not universally true. That is all I am saying.
I submit it still makes sense for you, in the sense that that it is not a scam or irrelevant, that if you subscribed to it you would not be, on the face of it, throwing away money.
And my opinion is that I have no use for it, and if I did subscribe to it I would certainly be throwing money away, since in fact I have no use for it.