Sure, it's as valid as anything else. My opinion is just my opinion.

I view the kind of posting you're doing as a kind of farming. You've got a stake, for sure, and you can use it however you want. The platform facilitates thinly veiled zero effort posts such as yours as a means to harvest the crop of your stake, like Farmville but for real. Code is law though so enjoy it! I just wouldn't expect to avoid people calling you up on it.