The screenshot is the fastest save gesture ever invented, which is why everyone uses it and why nobody can find anything afterwards. It captures precisely what you were looking at and precisely none of what you would need to act on it.
You saved the work, not the worker
A grabbed portfolio image contains no name, no handle, no platform and no link. It is evidence that a talented person exists somewhere, filed between a parking space and a receipt. Proof of existence is not a contact method.
Reverse image search is not a workflow
It works about half the time, takes several minutes, and fails most often on exactly the work you most want to trace — original pieces that appear on one site under a handle you did not read. Building a hiring process on it is optimistic.
Camera rolls have no structure to give
Photos are organised by date and location, which are the two dimensions least relevant to hiring an artist. You cannot filter a camera roll by medium, rate, or software. You can scroll it, which is what you do, for a surprisingly long time.
The folder does not fix it
Making an album called Art helps you find the region of the problem. It does not make forty untitled images searchable, because images are not text and your phone is not going to guess that this one is a character artist who works in Blender.
Keep the gesture, upgrade the payload
The instinct is right and the speed is right. One motion, no typing, no interruption to what you were doing. The only change worth making is what that motion stores: the profile behind the image, with the name and the rate and the link that turns admiration into an email.
Reference images still belong somewhere
Grabbing an image purely as visual reference is a legitimate and separate need — it just belongs on a board with the artist attached, not loose in a camera roll where it slowly becomes anonymous.