That shabad did not say to not bow down to an idol. It said worshipping idols is ignorance.
So I stand by my point of bowing down to respect, which is actually what bowing down means!!
I am still waiting...
OH forgot to answer this:
I have no idea, how you came to the conclusion below with what you have above...
Do you bow down to SGGS because you are worshipping it? I assuming, of course, that you bow down to it and don't simply sit in the sangat after taking off your shoes etc.
Bhagat Singh ji, what does bowing down to Sri Guru Granth Sahib ji have to do with idol worship?