The more one makes spiritual advancement, one feels humble and as one's devotion is superficial that much he feels that he is a great devotee.
Advancement in Krishna Consciousness depends on attitude of the follower.
Spiritual advancement without mind control is simply an illusion.
To make spiritual advancement we have to be very attentive in our dealings with our mind.
Our advancement is not because of our endeavor but Krishna's mercy, which is withdrawn when He sees pride within us.
What other organizations are impressed by is the dedication of Srila Prabhupada's disciples – willing to go anywhere, do anything, any time to make spiritual advancement, to preach Krishna Katha and to please devotees.