There are various ways to deal with this, and it can vary between programs. In general, the rider is responsible for ensuring the bicycle is kept in good order.
viaCycle's system allows riders to secure their bicycle between stations, so you're not forced to ride from to specific points until you're ready to check it back into the system. Enforcing a penalty for bikes that get stolen helps reinforce proper locking of the bicycle.
viaCycle's system allows riders to secure their bicycle between stations, so you're not forced to ride from to specific points until you're ready to check it back into the system. Enforcing a penalty for bikes that get stolen helps reinforce proper locking of the bicycle.