The details of how this is done seems to matter quite a bit, and if I'm reading this[0] right, if the officers have the discretion about when to turn them on or off use of force might be higher compared to no body cams.
One thing I haven't seen in the discussion is the effect of the tax on the distribution of outcomes.
I'm not sure what the latest numbers are, but if 90% of startups are near 0 return for founders, and 1% are the home run swings which made it worth starting the company to begin with - then when do proposals affect the expected value for starting a company. This notebook doesn't show anything other than 'if you were going to make a bunch, you'll still have more than zero' which isn't useful.
Startups are in the land of "fat tails" - so talking about a policy saying it's fine for for most people since the people at the extreme in the fat tail are doing fine seems to be thinking under-critically.
If I can continue your analogy (though I admit it's a little confusing) - if a gang member is caught breaking the law and we have another law preventing prosecution, let's fix that bug.
Structural issues which create gangs need to be addressed, and it's true that convicting the gang members might detract from the need for those structural reform, but enforcing laws is still a part of the incentive system we have to encourage people to not break the law.
We should fix structural issues, but that doesn't mean we need to leave clear bugs in tact to increase pressure on fixing those issues.
When you say 'as long as the end user is not financially benefitting' - is the end user the lab conducting the test?
You said in an earlier comment that the reimbursement for testing is too low to justify buying expensive equipment. You are also proposing to charge half the reimbursed rate for it to run on someone else's equipment.
Are the current equipment owners expected to donate this crucial equipment, because if they are the bottleneck, shouldn't they be the ones compensated to encourage more equipment to be made available?
[0] https://link.springer.com/article/10.1007/s11292-016-9261-3