I think the author’s point is that Google’s standard for what constitutes a trustworthy download creates a barrier that may prevent the new app from gaining a u

I think the author’s point is that Google’s standard for what constitutes a trustworthy download creates a barrier that may prevent the new app from gaining a userbase large enough to sustain itself and get onto Google’s safe browsing list. This is the definition of limiting market access. Google’s standards are arbitrarily set and applied, with no evidence of community involvement in setting those standards. This describes the precursor to monopolistic behavior.