I think what you say is good and I mean the blocks in general that would be the normal and invisible ones and I also think it's good what you say with the new articles you mention and don't forget that Mario & Luigi: Bowser's Inside Story + Bowser Jr .'s Journey being a remake can have blocks in...
We could make List of blocks in Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey so that we can make everyone find all the blocks and thus be able to complete the game 100% the reason is that I can not take the screenshots in a good way.