Why ?
Because, God actually His Servant made it that way. In this story can believe ONLY that person that was stuck in his ugly life, tried everything to solve his problems & never succeeded with anything he tried & now is prepared to surrender to God.
Why the love for the Guru or Spiritual father cannot be understood many times ?
Guru (/ˈɡuːruː/, UK also /ˈɡʊruː, ˈɡʊər-/ ; Sanskrit: गुरु, IAST: guru) is a Sanskrit term that connotes someone who is a "teacher, guide, expert, or master" of certain knowledge or field. In pan-Indian traditions, guru is someone more than a teacher, in sanskrit Guru means the one who dispels the darkness and takes towards light...
The Guru is an ancient and central figure in the traditions of Hinduism. The ultimate liberation, contentment, freedom in the form of moksha and inner perfection is considered achievable in the Hindu belief by two means: with the help of guru, and with evolution through the process of karma including rebirth in some schools of Hindu philosophy.
Citate from: Wikipedia
Guru mostly reffers to Spiritual father the one that will show us the way to serve God and clean our karma. That's why the Guru is important.
Most of us are truly surprized by the happenings in their lives, always asking themselves: "Why those things happen to me?" People forget their Origin and their Creator & start be entangled by the illusion that throw them far away from the Creator...