Those comments from real peeople, if you dont want to belive it, you can see it as you want 
Don't get the idea that I did not see it. Of course they are real people but difference is their posts are not organic. One of the following that happened. [1.] You hired someone from cheap Fiverr platform and they promised you to bump your thread.
[2.] You bought these accounts from a or many account sellers and posting from the accounts
[3.] You farmed the account yourself to use it for vouching for any service you had in plan.
AliArbi, oflibaba, Koinnokami are some of the accounts.