Well people are going to comment on a developer if they had a bad experience with them, thats how things go, everything is not going to be positive all the time..
Yes, Then let's see how to give support for this add-in. I have lot of experience of some developer that come for collecting dollars then closing support or projects door. One of most @Aayush Agrawal untrusted person. Best wishes to @AddonFlare for this new projects. Also one add-on release time take all most 4 years development after this thread?