I too am a reader and I appreciate all who have put effort into their works!
Honestly, I don't get why 'sniping' exists in the scanlation community. First off, it never existed in the beginning. Secondly, why does this not also apply in the anime and drama translation (subtitles) community? So what? In order to not be called a sniper, let's just call ourselves subbers of written works. No clash with scanlators anymore. Or let's be the first! Let's dub the manga and earn free money from YouTube ads.
But with that said, I actually also understand that it's disheartening to take an extra effort out of your personal schedule to do the same thing that someone else already finished. I for sure would lose my motivation to do so. But just let the people involved sort this out, don't add oil to the fire with all those hate comments. Stop fanning the flames. We only need to show our appreciation to those we wish to support with positive comments. How hard is that?