You have to remember every job, needs a different tool. The camera you mentioned has a processor developed for only one function and that is to process those light images to digital images. The processors created for mining, called ASIC's are 100% developed to solve the complex mathematical calculations for Bitcoin mining and are much better for that job.
So you will have the wrong tool for the job, when you use that processor.
The ASIC(s) would be required to crunch the numbers. A GPU (or maybe another ASIC) would be required to direct the ASIC(s) according to the camera and laser activity. The software, of course, isn't written, yet.
Suppose you had a linear group of characters that was continually changing as it was checked by the ASIC:
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Now imagine that at the same time this group was being checked, there was another group off each character in this group. The top row in the box, below is the same as the above box.
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The example is for visual purposes. It is not accurate regarding the exact way the programming would work, nor the exact characters that would be in any plane. The example simply depicts a type of programming would be needed to instantly check a whole plane of possibilities, each group branching off each character in the original linear group.
Depending how many depths one would want to go, there could be a planes off each downward linear group above. We would also have the horizontal linears of all the planes involved. Such could be extended as many levels as desired, making several ASICs work together at once using the trick the camera exploited.
I know this is a crude explanation. And I don't have the knowledge for expressing it any better. But the result would be that rather than checking the first batch of 81 characters in the first box above, all of the sets would be able to be checked at once, those in the second box, and any subsequent boxes/levels that the programmers wanted to add off the second box, etc.
The result would be that a present miner could "re-route" his dozens of ASICs, and crack the present encryption in relatively short order as it now stands. Of course, the encryption would be made more difficult to compensate, but there might be a point where complication would become impractical because of the increased size of the numbers of characters being manipulated to keep the blockchain safe.
Then, imagine what it would be like if the system were used in quantum computers.