Dasam Granth is the work of our Guru Sahib - we have ONE Guru Sahib who is the perfect form and representation of Akaal Purakh in 11 different roops:
Dhan Dhan Sri Guru Nanak Dev Ji Maharaj
Dhan Dhan Sri Guru Angad Dev Ji Maharaj
Dhan Dhan Sri Guru Amar Das Ji Maharaj
Dhan Dhan Sri Guru Ram Das Ji Maharaj
Dhan Dhan Sri Guru Arjan Dev Ji Maharaj
Dhan Dhan Sri Guru Hargobind Sahib Ji Maharaj
Dhan Dhan Sri HarRai Ji Maharaj
Dhan Dhan Sri HarKrishan Ji Maharaj
Dhan Dhan Sri Sri Guru Tegh Bahadur Ji Maharaj
Dhan Dhan Sri Guru Gobind Singh Ji Maharaj
Dhan Dhan Sri Guru Granth Sahib Ji Mahraj
Now...Sri Dasam Granth Sahib Ji was the WORK of our ONE Guru Sahib through Guru Ji's 10th Roop Dhan Dhan Dhan Sri Guru Gobind Singh Ji Mahraj.
If we metha tehk to Guru Sahibs Charans, Shasters, Stones, Sandals, Shoes, Robes and Guru Ji's House and keep faith in them 500%...We should also pay that exact same respect to Guru Ji's WORK & SCRIPTURES - Sri Dasam Granth Sahib Ji.
Guru Sahib Ji, in their 10th roop kept his work out of Ad Sri Guru Granth Sahib Ji's saroop (before Guru Ji being given Guru-Gadhi) out of Nimrata and Humbleness, this is also the reason why Guru Ji kept Sri Dasam Granth Sahib 2 angs short than Ad Sri Guru Granth Sahib Ji.
in Sri Dasam Granth Sahib Ji, Guru Ji states so manny timmesss that no one put Akaal Purakh is worthy of worship. But still, many people like Kala Afghana mis-inteprate it because they think their smart - withour reading and ucharing the bani shud, listening to the viakhya of it and doint santhiya of it.
Sri Dasam Granth Sahib Ji is our Guru Ji's work and the key that Guru Ji has blessed us with for unlimited Beer Rus and knowledge of how this Duniya Works and how none put Akaal Purakh (he who has NO colour, caste, creed, race, nation, physical form or time, but at the same time IS, HAS, AND RUNS everything, and himself is unlimited and beant) is worthy of being worshipped