From all these experiences the most important thing I have learned is that legibility and beauty stand close together and that type design, in its restraint, should be only felt but not perceived by the reader.
Most people who use Helvetica use it because it’s ubiquitous. It’s like going to McDonalds instead of thinking about food. Because it’s there, it’s on every street corner. So let’s eat crap, because it’s on the corner.