Proportional fonts are more aesthetically pleasing and legible (the entire reason for their existence).
When I'm editing "symbolic content", I like it to be easy on my eyes. If I'm constantly re-reading what I've just written, I appreciate the added legibility.
(With the exception of heavily punctuation-based computer code, of course, where monospace results in greater legibility.)
Proportional fonts are more aesthetically pleasing and legible (the entire reason for their existence).
When I'm editing "symbolic content", I like it to be easy on my eyes. If I'm constantly re-reading what I've just written, I appreciate the added legibility.
(With the exception of heavily punctuation-based computer code, of course, where monospace results in greater legibility.)