Since the article was specifically about "death metal" I guess the author missed this little tidbit or we just have waaaaaaaaaaaaay different definitions of morality:
1	Since	since	SCONJ	IN	_	9	mark	9:mark	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
3	article	article	NOUN	NN	Number=Sing	9	nsubj	9:nsubj	_
4	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	cop	9:cop	_
5	specifically	specifically	ADV	RB	_	9	advmod	9:advmod	_
6	about	about	ADP	IN	_	9	case	9:case	_
7	"	"	PUNCT	``	_	9	punct	9:punct	SpaceAfter=No
8	death	death	NOUN	NN	Number=Sing	9	compound	9:compound	_
9	metal	metal	NOUN	NN	Number=Sing	12	advcl	12:advcl:about	SpaceAfter=No
10	"	"	PUNCT	''	_	9	punct	9:punct	_
11	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	12	nsubj	12:nsubj	_
12	guess	guess	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	0:root	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	_
14	author	author	NOUN	NN	Number=Sing	15	nsubj	15:nsubj	_
15	missed	miss	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	12	ccomp	12:ccomp	_
16	this	this	DET	DT	Number=Sing|PronType=Dem	18	det	18:det	_
17	little	little	ADJ	JJ	Degree=Pos	18	amod	18:amod	_
18	tidbit	tidbit	NOUN	NN	Number=Sing	15	obj	15:obj	_
19	or	or	CCONJ	CC	_	22	cc	22:cc	_
20	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	22	nsubj	22:nsubj	_
21	just	just	ADV	RB	_	22	advmod	22:advmod	_
22	have	have	VERB	VB	VerbForm=Inf	15	conj	12:ccomp|15:conj:or	_
23	waaaaaaaaaaaaay	way	ADV	RB	Style=Expr	24	advmod	24:advmod	CorrectForm=way
24	different	different	ADJ	JJ	Degree=Pos	25	amod	25:amod	_
25	definitions	definition	NOUN	NNS	Number=Plur	22	obj	22:obj	_
26	of	of	ADP	IN	_	27	case	27:case	_
27	morality	morality	NOUN	NN	Number=Sing	25	nmod	25:nmod:of	SpaceAfter=No
28	:	:	PUNCT	:	_	12	punct	12:punct	_
