Why few founders are doing public giveaway campaigns for getting Incentive reviews and upvotes?

Here lots of makers and founders do hard work for a long time to get real feedback and. But only few are doing unethical work for getting the #1 place and they are destroying the hard work of others. These fraud makers running a giveaway campaign in group of 10k people. And if I'm wrong, I'm sorry for wasting your precious time. I am not a maker but I am against this. check this- (Listnr Product) https://drive.google.com/file/d/1Oe_zTaaTCjp1oujJ0j94ajLpkn8HgzlN/view?usp=sharing https://drive.google.com/file/d/1dWXCj5QZZK-kCIxXsZ9Rm8frW3T_5U5_/view?usp=sharing