Fifth: If developers want to be treated with respect and want to have the same rights as those of other industries (e.g. the right to strike or not do enforced overtime) then they have to take on the responsibilities as well, and that includes giving the buyer a chance to return goods; if those goods are returned because they are not fit for service then you can hardly blaim the buyer when one thing is promised but it is not delivered... it, in fact, means that devs have a better chance to make money because ti will thin the field of cr*ppy, unfinished games and low quality copies and ripoffs and will allow legitimately good games to have a better chance of being seen and bought by average consumers. And note that the thirty day thing is because many things are bought as gifts... two days is almost never going to be enough time to buy and give a gift, hence the thirty days (there are historical reasons too but a lot of those are now moot).
Anyway; the devs that should be most worried are those who are not compotent enough to write decent games and who depend on writing a vaguely good first few hours of experience in a game and then can't be bothered finishing it off... I'd argue that they are less devs and more scam artists and the general public has always needed protect from that sort of person.