Pakistan was in dire need of someone who was not financially corrupt. In the past, almost 95% of leadership were financially corrupt and had 0 morality. They wasted no opportunities in filling out their own pockets ... country and its citizens was never in their priorities.
IK never stated or proclaimed that since his birth, he was a saint. In fact, if you have read his own book, ( which I am sure you do after seeing your obsession with him ) he himself stated that he wasn't even a practising muslim and his previous lifestyle was far away from Islamic teachings. He was known as a cricketing "playboy". And then some series of events occurred which culminated in him rediscovering his purpose of life ... his mission. That's when he decided to leave his previous lifestyle and gradually envisioned a model country as per how Madina used to be. What you're talking about occurred before his transformation. How many people have changed their lifestyles after rediscovering themselves? All big names have had their past which they have left behind and chose to follow the righteous path.
Regarding Article 62 and 63, Pakistan's top court have already ruled in IK's favour and declared him ‘Sadiq and Ameen’ on 15th December 2017 ... so I don't think I have to comment on it. Even plea petition filed by PMLN was rejected by SCP as its only argument was Sita White (as PMLN's all-time favorite tactic - target your opponent by mudslinging their women). I can understand how difficult it can be for you to comprehend Imran Khan to be declared Sadiq and Ameen, but till this day, he is the only politician to be officially declared as such by Pakistan's Top court.
If we are going to start looking for illegitimate children and fornication in Parliament house, then not a single parliamentarian would pass this test and entire assembly can be bend on 62 and 63 as no one is an angel or saint. People like to talk about others and criticize their life, but no one wants to talk about monsters in their closet.
My advice to you is ... start thinking of financial corruption as the biggest sin of all. Financial corruption and embezzlement of taxpayer's money should always supercede penises and vaginas because it takes the whole country to a verge of collapse and instability.