Guild Wars 2

So this bug now happened to me twice and the first time it happened I thought I was imagining things:

I just had destroyed the enemy trebuchet and was about to go to the clocktower when I suddenly heard the “Trebuchet!” warning.
It was an enemy using our trebuchet.
After I killed him I was even able to destroy our own trebuchet and get points for destroying the trebuchet again.

Is this an abuse/bug and has this happened to you in tournaments once?

This happens when you were on your original opposing teams trebuchet, and then you get switched or choose to switch, while still in the treb. Needless to say it is a bug and should be fixed. On the side note of competitive play, it doesn’t get effected because teams will never be swapped.