because they have A WHOLE 10 FEET OF EXTRA OMG PARKOUR (this is sarcastic...)
and my whole point is that people think lights are so cool and that they can own everyone else
people don't seem to have the same inflated ideas about other classes
It all depends on the player and what suits them best. While heavy will be more suited for run and gun (taking large amounts of damage), they will require players to play efficiently to best use a heavy, whether it be covering team mates, distracting, destroying things and sneaking in to cause mass damage to enemy teams. Then a light will have to be more cautious and need to sneak more and pick people off alternatively. Some ppl will svck at heavy, some will svck at light etc. But in the end it's who you prefer and play best with. None are better than the other.
Also due to set objectives, each type will be best suited for different tasks, so will be interesting to see how people go