I do not think storing of Bitcoins is against Bitcoin, I do consider bitcoin (the currency) like a digital gold.
I mined a lot of bitcoins back in 2011-2012 and I am still hoarding, I have not sold even 1 bitcoin

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I also do not think its against the bitcoin, why would it be against bitcoin, I just do not get this, its a currency and every currency is held right ?
It is not against on bitcoin but it has big effect on pumping of price of bitcoin since if most of the users holding huge amount of bitcoin the demand will get slower to increase, that is why i think much better to spend some of our bitcoin to make the demand increasing.