Humans are in no position to lay crap on other species for destroying natural environment. Humans wrote the book on it (fact that no other species is capable of writing, producing and distributing books notwithstanding). It's just more selective hyprocrisy.
Now, addressing the issue of the actual kill - do you agree with the man's assessment of their death?
Further, what are your thoughts on the video? I can imagine you had some idea what people on an animal rights forum would think of it, you must have been keen to share your own opinions.
Oh, and yes I have seen the way pigs dig up the ground - that informative video just showed me

Unless that doesn't count, in which case no I haven't. Merely offering up my thoughts as requested!