Those are some annoyingly well-thought-out comments - thank you! You made me want to continue tinkering with this after the jam...
>It was not entirely clear why I should bother grabbing the red blocks to begin with. I then realized that getting enough of them would extend your reach. But then why, because getting more just extends it further? Maybe this was intend to be fleshed out with more levels?
Yes, that mechanic never really got into play.