There is a real danger of this turning into a witch hunt. But as you point out, those who are truly guilty will have plenty of evidence, not just a “planted” image on their computers.
The progressives were smugly confident that they would win. Therefore, they made little effort to hide their putrid perversions and now they are like neon signs telling us who needs to be investigated.
Compare this to most pedo porn cases. It’s about a dozen pictures, and that includes an old computer that isn’t even working.
This is not the usual situation.
Redneck likelihood prediction: this case will probably dissolve into the (pun not intended) never-neverland before long. We won’t even hear about it again.