Looks more like a Teespring-type thing than a Kickstarter-type thing, which should mitigate this quite a bit
That's pretty non-t-shirt-y language. They'll have to tighten that.
From https://redditmade.com/create :
> If enough people pledge to buy your product by then, we’ll start making it!
From https://redditmade.zendesk.com/hc/en-us/articles/202364265-W... :
> Most importantly, you'll also need to be willing to work with us. We'll connect you with sourcing partners, work with you to finalize designs, and help you step through all the other creative, legal, logistical, promotional, and financial hoops to make your campaign happen, but we can only help you as much as you'll let us.