And did they ask you to speak in their stead? You ain't the dev so whether my comment is worth anything is not for you to decide. The author has a section dedicated to beta-readers where they thank their players for testing their game and providing advice, so yeah, they care.
Also, they don't have to ask for it. This is a gaming website; where people are allowed (and expected) to write their opinions and criticism. This game is still a WIP and game development is contingent on honest feedback, even the kind we sometimes don't want to hear.
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I've seen several games come and go to know some of the traps many newbie devs fall into; one game is difficult enough, managing several of them at once, as a solo dev, that's just asking for trouble. Let's see how these games fare 3-5 years from now; I will be happy to be proven wrong.