Not surprised by several of these- finding skills and resources to leverage blockchain still remain barriers. No one has really made it easier, though it references some BaaS like IBM, AWS

3 is interesting.

"Despite all of the mechanisms meant to guarantee trust on public blockchains, business leaders have placed greater trust in private blockchains where there are no unknown users."

Overall, it looks to me like no one has really come to market with a product that allows companies to move past these barriers and engage in a way they can justify.

We're still early as they say.