>>>From a public health POV the unvaccinated should be tested more often, and encouraged to get tested. Charging for tests is exactly the wrong thing to do. Reducing testing amongst the unvaccinated will increase COVID amongst them and their contacts, lead to more cases of serious disease and provide more opportunity for viral mutation.
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>Unless they're unvaccinated because they already had it, which used to be a reasonable stance and itself can be detected by testing some of the time, or most of the time if only an inexpensive reliable t-cell immunity test existed.

Building the attidude of "tests are not necessary in vaccinated / previously infected" already is wrong in heavily vaccinated places like UK or Israel. If 95% have antibodies (no matter how gained) chances are that total # infections of people with antibodies is large even if there is a heavy protection via those antibodies, just because base population sizes are that different. But expect to read about that as: "vaccination does not work (anymore)!" or even worse: "vaccination leads to higher death #!!!", since numbers and thinking are frowned upon....

regards
thomas