In the past he might have served as the marketing head for the concern giftcard selling firm, for which you cannot indicate one as a scammer. Nothing in hands as a proof to brief your stand. I went to the g+ link, nothing wrong is there. He has promoted a website. You say the concern site to be a scam, that too seems to be your own thought.
I never wrote anywhere any accusation of scam, so don't put words in my mouth! I tried to verify something and it raised me concerns, I pointed clearly what raised those concerns without any accusations of SCAM. There were countless of fake steam giftcards websites before and I checked that one, if you manage to get a 150% giftcard there, let us know here. If you cannot understand investors' concerns, you are only raising more concerns to others reading this thread.