I think that from a logical perspective, that makes sense. But I still couldn't find any research about it, which is kind of silly. There's no research on the impact of "luxury" or the perception of "more".
But you are totally right. Any increase will be noticeable until you adjust to it. The friend that gave me the idea says he's already used to the 280 characters now, so...¯\_(ツ)_/¯