>The point is that everyone is capable of figuring out that it's a typo and I actually meant comprises of.

Like I said elsewhere this is not what I objected to. I was responding to the assertion "...As long as you understand what the person is saying it's good enough...".

It is not good enough. The proper thing for you to do here would have been acknowledging your mistake and correcting it instead of promoting mediocrity.

People have the capacity of making heads or tails out of sloppy writing but why should they put in the effort to do so? It is your responsibility to put your thoughts coherently in the first place. This is the least you can do.