Wow that's so silly people making money off the same reason you ran
Krosos off for straight up screen captures. I haven't even looked at visual novels since the PS3 days and they were all anime and I was like psh whatever. But I've also seen people on the vam forums do really nice touchups with photoshop.
Recently there was that
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posted on vamhub about that artstyle filter. It must be that good cuz Crazy3D is going around lately using that as their headshot photo filter for his 8 year old ladyboys as his own artwork to cover up his frankenstein creations look like dog turds.