OPINION:
Opponents of legal marijuana have recently made the case that because legal cannabis sales in California have declined while national marijuana use has risen, legalization has essentially become a recruitment pipeline for illicit market dealers.
It is clever framing, but the logic does not hold up.
The argument assumes that when legal sales drop in one state, users must be flocking to illicit sources. However, California is not the center of the cannabis policy universe and its implementation has been plagued by structural problems unrelated to the principle of a regulated market.
Crushing tax burdens and a slow, expensive licensing process have made it difficult for legal businesses to compete on price. These implementation failures — not regulated legal markets — are causing legitimate businesses to fail.
Treating one struggling implementation as proof that regulation fuels illicit markets ignores a growing body of evidence pointing in the opposite direction.
A 2026 Ohio State University study found that people living in states with fully legal cannabis markets source their cannabis from legal outlets at rates 31.6% higher than those in states where it is illegal. Ohio’s own 2024 legalization produced a measurable shift toward licensed sourcing within months of retail sales opening.
A New Frontier Data consumer survey reinforces this, showing that in adult-use states, 52% of consumers name a bricks-and-mortar dispensary as their primary cannabis source.
The trend also shows up at the border. U.S. Customs and Border Protection data reveals marijuana seizures at the U.S.-Mexico border have fallen sharply as domestic legal markets have expanded, dropping from hundreds of thousands of pounds annually in the late 2010s to roughly 40,000 pounds in fiscal year 2025.
Analysts attribute the decline directly to domestic legal markets undercutting Mexican suppliers.
Regulated markets for any substance are inherently safer than unregulated ones. When products move through licensed channels, they are tested for contaminants and accurate potency. There is no fentanyl lacing risk from a dispensary with state-mandated lab testing.
Age verification keeps products away from minors. Tax revenue funds education and treatment programs.
Opponents of legalization have every right to make arguments against cannabis use. But the claim that declining legal sales in California prove that regulation empowers the illicit market nationwide is not supported by evidence.
The lesson from California is that implementation details matter, not that the entire project should be abandoned.
WELDON ANGELOS
President, co-founder, The Weldon Project
Salt Lake City, Utah
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