This seems like an economical and no-rot solution to a raised bed. Maybe even strawberries in the blocks. Like this idea a lot. You can plant in the brick holes as well. Perhaps beneficial plants/flowers?
"""Put strawberry plants in concrete blocks edging a garden."""" --------->Put plants that naturally repell garden pests like marigolds? Also, cinderblock beds a good idea for around fence. Maybe use concrete stain to make them more natural looking?