The checked in bag system is not broken!!
It works 99% of the time, its just the 1% that seem to come on here to justify the reason that they should be allowed to carry on what they like.
Carry on luggage is very rarely weighed, do any of you know that overhead lockers have a weight limit?
Also with more and more people filling the overhead lockers with bigger and heavier bags does this affect the c of g?
As was said earlier until there is a major incident nothing will get done.