alt Hacker NewsWhere do you draw the line tho? How many kilobytes and how much future maintenance work is avoiding a potential slight visual inconsistency with a radio button worth? Is it worth to lose the x amount of people who have bad network connection?
Use this approach everywhere and the actual content of the page (you know: the stuff people came for) suffers.
All I can think about is a quote by world famous video artist Nam June Paik: When to perfect, Gott böse ("God gets mad when too perfect", the original isn't exactly a full sentence and mixes English and German).
Based on profits of many webapps, there is no line. What eng here forget is that they are oft not the targeted consumer. The hypothetically perfect website doesnt sell as well as a colorful fat choncker does. It is like fast food, not every cares about farm to table.