I really do not think that its really needed to create a very fantastic map but it really does help make one. Take a look at Linubidix's map remedy. That without interlocking where would that map be
Interlocking with your girlfriend was fun.. Oh.. that kind of interlocking.. erm.. well, its nice if you want the map to look good.. if you can do it right.. and it helps gameplay by not trapping grenades in dips and such
i just love interlocking, it makes everything smooth and look good. I dont c y anyone would hate it, andi know what it means . lol
The only people I believe would hate interlocking in general are those who are probably people have a very lazy personality or those who just plain suck at it. But I am pretty sure that that is a very small amount of people. But ya interlocking I believe is needed to create a very nice competitive map.