This article is from the Sea Kayaking FAQ, by Todd Leigh with numerous contributions by others.
Some will argue that a good boat does not need a rudder, that they are
subject to breakage and you should not learn to use them as a
crutch. Often these are the same people who put skegs on their boats
because they are difficult to make go straight in certain sea
conditions.
Others will argue that a rudder is a tool that improves the safety and
convenience of a boat, and not having one is pig-headed and blind to
the utility of the device. They do admit, though, that the rudder had
better be well constructed and durable.
 
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