But why not?
In any case there are many more other interesting games out there than I have time for, there's some stuff in my Steam library that I have yet to play, so if some games aren't accessible in the way I prefer, then those will be among the games I'll skip. For the makers of the game their game probably is important and special, but for a customer like me it's not, the competition between games for my time is huge, there's so much good stuff out there that there's no possible reason to jump through hoops (even if they're not that difficult) to get to any particular game, so if any particular game is not in the place where it's most covenient for me, it might as well not exist. There are some exceptions for nostalgic reasons that have driven me to e.g. gog.com for a few games I enjoyed decades ago, but there really has to be a special reason to do so. There was a time in my life where I'd be eager to invest a lot of time and effort just to get a particular game (worldwide distribution of games on floppies and CDs was awkward to say at least) but that's not the case anymore. Especially for short niche/fad games like this one seems to be, their role is like that of an impulse buy or a comfort food - it has to be a 'click here, pay a dozen bucks, enjoy your stuff immediately' experience without having to bother with making yet another account and installing extra stuff that you have to care about.